/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 04:49:54,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 04:49:54,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 04:49:54,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 04:49:54,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 04:49:54,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 04:49:54,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 04:49:54,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 04:49:54,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 04:49:54,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 04:49:54,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 04:49:54,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 04:49:54,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 04:49:54,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 04:49:54,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 04:49:54,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 04:49:54,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 04:49:54,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 04:49:54,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 04:49:54,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 04:49:54,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 04:49:54,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 04:49:54,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 04:49:54,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 04:49:54,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 04:49:54,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 04:49:54,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 04:49:54,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 04:49:54,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 04:49:54,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 04:49:54,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 04:49:54,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 04:49:54,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 04:49:54,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 04:49:54,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 04:49:54,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 04:49:54,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 04:49:54,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 04:49:54,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 04:49:54,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 04:49:54,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 04:49:54,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 04:49:54,433 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 04:49:54,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 04:49:54,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 04:49:54,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 04:49:54,435 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 04:49:54,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 04:49:54,435 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 04:49:54,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 04:49:54,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 04:49:54,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 04:49:54,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 04:49:54,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 04:49:54,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 04:49:54,437 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 04:49:54,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 04:49:54,437 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 04:49:54,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 04:49:54,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 04:49:54,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 04:49:54,438 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 04:49:54,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 04:49:54,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:49:54,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 04:49:54,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 04:49:54,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 04:49:54,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 04:49:54,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 04:49:54,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 04:49:54,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 04:49:54,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 04:49:54,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 04:49:54,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 04:49:54,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 04:49:54,830 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 04:49:54,830 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 04:49:54,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2020-10-27 04:49:54,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ce33c410/742cb74504cf4d81ac3dd34b43cfef3d/FLAGa0148667c [2020-10-27 04:49:55,617 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 04:49:55,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2020-10-27 04:49:55,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ce33c410/742cb74504cf4d81ac3dd34b43cfef3d/FLAGa0148667c [2020-10-27 04:49:55,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ce33c410/742cb74504cf4d81ac3dd34b43cfef3d [2020-10-27 04:49:55,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 04:49:55,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 04:49:55,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 04:49:55,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 04:49:55,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 04:49:55,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:49:55" (1/1) ... [2020-10-27 04:49:55,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a25c8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:49:55, skipping insertion in model container [2020-10-27 04:49:55,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:49:55" (1/1) ... [2020-10-27 04:49:55,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 04:49:55,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 04:49:56,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:49:56,277 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 04:49:56,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:49:56,479 INFO L208 MainTranslator]: Completed translation [2020-10-27 04:49:56,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:49:56 WrapperNode [2020-10-27 04:49:56,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 04:49:56,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 04:49:56,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 04:49:56,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 04:49:56,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:49:56" (1/1) ... [2020-10-27 04:49:56,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:49:56" (1/1) ... [2020-10-27 04:49:56,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:49:56" (1/1) ... [2020-10-27 04:49:56,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:49:56" (1/1) ... [2020-10-27 04:49:56,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:49:56" (1/1) ... [2020-10-27 04:49:56,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:49:56" (1/1) ... [2020-10-27 04:49:56,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:49:56" (1/1) ... [2020-10-27 04:49:56,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 04:49:56,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 04:49:56,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 04:49:56,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 04:49:56,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:49:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:49:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 04:49:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 04:49:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 04:49:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 04:49:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2020-10-27 04:49:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2020-10-27 04:49:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2020-10-27 04:49:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2020-10-27 04:49:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2020-10-27 04:49:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 04:49:56,665 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-27 04:49:56,666 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2020-10-27 04:49:56,666 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2020-10-27 04:49:56,666 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2020-10-27 04:49:56,667 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2020-10-27 04:49:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 04:49:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-27 04:49:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 04:49:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 04:49:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 04:49:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 04:49:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 04:49:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 04:49:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-27 04:49:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-27 04:49:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 04:49:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-27 04:49:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2020-10-27 04:49:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2020-10-27 04:49:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2020-10-27 04:49:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2020-10-27 04:49:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2020-10-27 04:49:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 04:49:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-27 04:49:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2020-10-27 04:49:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2020-10-27 04:49:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2020-10-27 04:49:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2020-10-27 04:49:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 04:49:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 04:49:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 04:49:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 04:49:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 04:49:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 04:49:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 04:49:57,673 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 04:49:57,674 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 04:49:57,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:49:57 BoogieIcfgContainer [2020-10-27 04:49:57,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 04:49:57,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 04:49:57,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 04:49:57,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 04:49:57,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:49:55" (1/3) ... [2020-10-27 04:49:57,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e52156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:49:57, skipping insertion in model container [2020-10-27 04:49:57,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:49:56" (2/3) ... [2020-10-27 04:49:57,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e52156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:49:57, skipping insertion in model container [2020-10-27 04:49:57,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:49:57" (3/3) ... [2020-10-27 04:49:57,685 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2020-10-27 04:49:57,696 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 04:49:57,701 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 04:49:57,714 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 04:49:57,745 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 04:49:57,745 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 04:49:57,746 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 04:49:57,746 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 04:49:57,746 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 04:49:57,746 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 04:49:57,746 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 04:49:57,746 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 04:49:57,771 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2020-10-27 04:49:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-27 04:49:57,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:49:57,781 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] [2020-10-27 04:49:57,782 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:49:57,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:49:57,788 INFO L82 PathProgramCache]: Analyzing trace with hash 178488915, now seen corresponding path program 1 times [2020-10-27 04:49:57,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:49:57,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2031433698] [2020-10-27 04:49:57,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:49:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:49:58,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:49:58,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:49:58,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 04:49:58,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:49:58,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 419 [2020-10-27 04:49:58,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:49:58,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:49:58,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 04:49:58,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 04:49:58,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:49:58,890 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:49:58,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:49:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:49:58,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:49:58,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:49:58,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:49:58,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:49:58,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 04:49:58,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:49:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:49:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:49:58,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:49:58,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:49:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 04:49:58,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2031433698] [2020-10-27 04:49:58,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:49:58,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 04:49:58,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506538612] [2020-10-27 04:49:58,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 04:49:58,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:49:58,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 04:49:58,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:49:58,962 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 5 states. [2020-10-27 04:49:59,507 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:49:59,766 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 04:49:59,940 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 04:50:01,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:01,277 INFO L93 Difference]: Finished difference Result 431 states and 708 transitions. [2020-10-27 04:50:01,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:50:01,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-27 04:50:01,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:01,294 INFO L225 Difference]: With dead ends: 431 [2020-10-27 04:50:01,295 INFO L226 Difference]: Without dead ends: 222 [2020-10-27 04:50:01,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:50:01,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-10-27 04:50:01,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 216. [2020-10-27 04:50:01,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-27 04:50:01,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 322 transitions. [2020-10-27 04:50:01,406 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 322 transitions. Word has length 22 [2020-10-27 04:50:01,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:01,406 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 322 transitions. [2020-10-27 04:50:01,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 04:50:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 322 transitions. [2020-10-27 04:50:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-27 04:50:01,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:01,409 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] [2020-10-27 04:50:01,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 04:50:01,410 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:01,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:01,411 INFO L82 PathProgramCache]: Analyzing trace with hash 246642938, now seen corresponding path program 1 times [2020-10-27 04:50:01,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:01,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148640974] [2020-10-27 04:50:01,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:01,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:01,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:01,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:01,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:01,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 04:50:01,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:50:01,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 545 [2020-10-27 04:50:01,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:01,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:01,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 04:50:01,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:50:01,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:50:02,155 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:50:02,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:02,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:02,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:02,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:02,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:02,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:50:02,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:02,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 04:50:02,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148640974] [2020-10-27 04:50:02,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:50:02,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 04:50:02,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654162222] [2020-10-27 04:50:02,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 04:50:02,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:02,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 04:50:02,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:50:02,188 INFO L87 Difference]: Start difference. First operand 216 states and 322 transitions. Second operand 5 states. [2020-10-27 04:50:02,328 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:50:02,472 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 04:50:02,696 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 04:50:03,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:03,917 INFO L93 Difference]: Finished difference Result 443 states and 667 transitions. [2020-10-27 04:50:03,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:50:03,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-27 04:50:03,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:03,923 INFO L225 Difference]: With dead ends: 443 [2020-10-27 04:50:03,924 INFO L226 Difference]: Without dead ends: 236 [2020-10-27 04:50:03,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:50:03,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-27 04:50:03,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 229. [2020-10-27 04:50:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-10-27 04:50:04,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 338 transitions. [2020-10-27 04:50:04,002 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 338 transitions. Word has length 23 [2020-10-27 04:50:04,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:04,003 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 338 transitions. [2020-10-27 04:50:04,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 04:50:04,003 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 338 transitions. [2020-10-27 04:50:04,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-27 04:50:04,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:04,006 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 04:50:04,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 04:50:04,006 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:04,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:04,007 INFO L82 PathProgramCache]: Analyzing trace with hash 179308511, now seen corresponding path program 1 times [2020-10-27 04:50:04,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:04,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855633269] [2020-10-27 04:50:04,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:04,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:04,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:04,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:04,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:04,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:04,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:50:04,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:50:04,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 862 [2020-10-27 04:50:04,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:04,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:50:04,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 04:50:04,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 04:50:04,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:05,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:05,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:05,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:05,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:05,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:05,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:50:05,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:05,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:05,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:05,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:50:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:05,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:05,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:05,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:05,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:05,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:50:05,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:05,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:50:05,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:50:05,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 04:50:05,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:05,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 04:50:05,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855633269] [2020-10-27 04:50:05,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:50:05,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 04:50:05,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752146082] [2020-10-27 04:50:05,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 04:50:05,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:05,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 04:50:05,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 04:50:05,079 INFO L87 Difference]: Start difference. First operand 229 states and 338 transitions. Second operand 4 states. [2020-10-27 04:50:05,231 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:50:06,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:06,412 INFO L93 Difference]: Finished difference Result 475 states and 713 transitions. [2020-10-27 04:50:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 04:50:06,413 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-27 04:50:06,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:06,417 INFO L225 Difference]: With dead ends: 475 [2020-10-27 04:50:06,417 INFO L226 Difference]: Without dead ends: 262 [2020-10-27 04:50:06,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:50:06,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-10-27 04:50:06,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 231. [2020-10-27 04:50:06,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-10-27 04:50:06,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 340 transitions. [2020-10-27 04:50:06,464 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 340 transitions. Word has length 31 [2020-10-27 04:50:06,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:06,471 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 340 transitions. [2020-10-27 04:50:06,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 04:50:06,471 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 340 transitions. [2020-10-27 04:50:06,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-27 04:50:06,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:06,478 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 04:50:06,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 04:50:06,478 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:06,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:06,479 INFO L82 PathProgramCache]: Analyzing trace with hash 2061435696, now seen corresponding path program 1 times [2020-10-27 04:50:06,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:06,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856122887] [2020-10-27 04:50:06,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:06,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:06,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:06,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:06,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:08,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:08,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 04:50:08,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:50:08,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1643 [2020-10-27 04:50:08,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:08,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:50:08,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 04:50:08,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:50:08,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:08,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:08,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:08,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:08,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:08,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:08,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 04:50:08,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:08,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:08,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:08,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:50:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:08,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:08,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:08,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:50:08,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:08,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 04:50:08,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:08,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:08,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:08,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 04:50:08,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 04:50:08,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:08,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:08,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:08,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:08,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:08,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:50:08,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:08,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:08,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:08,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:08,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 04:50:08,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856122887] [2020-10-27 04:50:08,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:50:08,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:50:08,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432853276] [2020-10-27 04:50:08,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:50:08,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:08,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:50:08,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:50:08,402 INFO L87 Difference]: Start difference. First operand 231 states and 340 transitions. Second operand 6 states. [2020-10-27 04:50:08,608 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:50:08,781 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:50:08,915 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:50:10,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:10,108 INFO L93 Difference]: Finished difference Result 452 states and 671 transitions. [2020-10-27 04:50:10,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:50:10,108 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-10-27 04:50:10,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:10,114 INFO L225 Difference]: With dead ends: 452 [2020-10-27 04:50:10,115 INFO L226 Difference]: Without dead ends: 243 [2020-10-27 04:50:10,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:50:10,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-27 04:50:10,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 235. [2020-10-27 04:50:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-27 04:50:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 344 transitions. [2020-10-27 04:50:10,169 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 344 transitions. Word has length 39 [2020-10-27 04:50:10,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:10,170 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 344 transitions. [2020-10-27 04:50:10,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:50:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 344 transitions. [2020-10-27 04:50:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 04:50:10,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:10,175 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 04:50:10,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 04:50:10,175 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:10,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:10,176 INFO L82 PathProgramCache]: Analyzing trace with hash -349090115, now seen corresponding path program 1 times [2020-10-27 04:50:10,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:10,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183292505] [2020-10-27 04:50:10,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:10,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:10,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:10,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:10,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:11,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:11,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:50:11,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:50:11,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 977 [2020-10-27 04:50:11,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:11,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:11,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 04:50:11,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 04:50:11,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:50:11,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:11,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:11,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:11,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:11,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:11,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:50:11,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:11,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:11,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:50:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:11,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:11,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:11,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 04:50:11,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:11,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:50:11,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:11,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:11,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:50:11,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 04:50:11,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:11,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:11,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:11,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:11,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:11,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:11,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:50:11,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:11,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:50:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:50:11,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 04:50:11,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183292505] [2020-10-27 04:50:11,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:50:11,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 04:50:11,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682005230] [2020-10-27 04:50:11,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 04:50:11,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:11,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 04:50:11,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:50:11,361 INFO L87 Difference]: Start difference. First operand 235 states and 344 transitions. Second operand 5 states. [2020-10-27 04:50:11,660 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:50:12,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:12,879 INFO L93 Difference]: Finished difference Result 511 states and 766 transitions. [2020-10-27 04:50:12,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 04:50:12,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-10-27 04:50:12,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:12,883 INFO L225 Difference]: With dead ends: 511 [2020-10-27 04:50:12,883 INFO L226 Difference]: Without dead ends: 297 [2020-10-27 04:50:12,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 04:50:12,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-10-27 04:50:12,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 261. [2020-10-27 04:50:12,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-10-27 04:50:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 384 transitions. [2020-10-27 04:50:12,924 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 384 transitions. Word has length 42 [2020-10-27 04:50:12,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:12,925 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 384 transitions. [2020-10-27 04:50:12,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 04:50:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 384 transitions. [2020-10-27 04:50:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-27 04:50:12,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:12,926 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] [2020-10-27 04:50:12,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 04:50:12,926 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:12,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:12,927 INFO L82 PathProgramCache]: Analyzing trace with hash -82874489, now seen corresponding path program 1 times [2020-10-27 04:50:12,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:12,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953764359] [2020-10-27 04:50:12,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:12,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:12,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:13,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:13,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 04:50:13,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:50:13,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 513 [2020-10-27 04:50:13,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:50:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 04:50:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:50:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:13,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:13,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:13,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:13,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:13,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:13,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 04:50:13,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:13,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:13,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:13,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:50:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:13,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:13,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:13,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:50:13,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:13,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 04:50:13,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:50:13,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:13,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:50:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:13,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:13,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:13,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:50:13,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:13,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:50:13,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:13,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:13,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:13,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:13,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:13,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:13,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:13,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:13,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:13,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:13,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:13,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:13,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:13,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 04:50:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:13,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:13,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:13,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:50:13,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:13,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:50:13,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:50:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:50:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:50:13,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:13,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 04:50:13,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953764359] [2020-10-27 04:50:13,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:50:13,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 04:50:13,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251019597] [2020-10-27 04:50:13,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:50:13,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:13,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:50:13,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:50:13,717 INFO L87 Difference]: Start difference. First operand 261 states and 384 transitions. Second operand 8 states. [2020-10-27 04:50:13,962 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:50:14,117 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:50:14,243 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 04:50:15,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:15,564 INFO L93 Difference]: Finished difference Result 439 states and 650 transitions. [2020-10-27 04:50:15,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:50:15,565 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2020-10-27 04:50:15,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:15,568 INFO L225 Difference]: With dead ends: 439 [2020-10-27 04:50:15,568 INFO L226 Difference]: Without dead ends: 261 [2020-10-27 04:50:15,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 04:50:15,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-10-27 04:50:15,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 257. [2020-10-27 04:50:15,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-27 04:50:15,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 374 transitions. [2020-10-27 04:50:15,604 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 374 transitions. Word has length 46 [2020-10-27 04:50:15,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:15,604 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 374 transitions. [2020-10-27 04:50:15,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:50:15,605 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 374 transitions. [2020-10-27 04:50:15,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 04:50:15,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:15,606 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-27 04:50:15,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 04:50:15,606 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:15,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:15,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1621774049, now seen corresponding path program 2 times [2020-10-27 04:50:15,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:15,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148971382] [2020-10-27 04:50:15,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:15,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:15,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:15,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:15,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:16,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:16,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 04:50:16,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:50:16,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1234 [2020-10-27 04:50:16,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:16,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:50:16,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 04:50:16,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 04:50:16,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:16,997 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:50:16,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:17,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:17,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:17,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:17,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:17,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:50:17,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:17,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:17,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:17,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:50:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:17,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:17,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:17,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 04:50:17,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:17,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 04:50:17,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:50:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:50:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 04:50:17,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:17,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:17,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:17,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:17,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:17,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:17,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:50:17,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:17,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:50:17,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:17,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:50:17,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:17,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:50:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:17,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:17,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:17,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:17,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:17,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:50:17,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:17,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:50:17,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:50:17,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 04:50:17,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148971382] [2020-10-27 04:50:17,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:50:17,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 04:50:17,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924265334] [2020-10-27 04:50:17,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:50:17,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:17,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:50:17,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:50:17,100 INFO L87 Difference]: Start difference. First operand 257 states and 374 transitions. Second operand 6 states. [2020-10-27 04:50:17,394 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:50:17,543 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:50:18,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:18,868 INFO L93 Difference]: Finished difference Result 528 states and 786 transitions. [2020-10-27 04:50:18,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:50:18,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-10-27 04:50:18,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:18,885 INFO L225 Difference]: With dead ends: 528 [2020-10-27 04:50:18,885 INFO L226 Difference]: Without dead ends: 294 [2020-10-27 04:50:18,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:50:18,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-10-27 04:50:18,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 284. [2020-10-27 04:50:18,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-27 04:50:18,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 414 transitions. [2020-10-27 04:50:18,937 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 414 transitions. Word has length 53 [2020-10-27 04:50:18,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:18,938 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 414 transitions. [2020-10-27 04:50:18,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:50:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 414 transitions. [2020-10-27 04:50:18,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 04:50:18,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:18,939 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:50:18,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 04:50:18,940 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:18,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:18,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1610523267, now seen corresponding path program 3 times [2020-10-27 04:50:18,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:18,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140938567] [2020-10-27 04:50:18,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:18,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:18,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:19,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:19,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:19,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 04:50:19,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:50:19,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-27 04:50:19,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:19,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:19,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-27 04:50:19,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:50:19,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:50:19,522 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:50:19,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:19,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:19,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:19,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:19,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 04:50:19,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:50:19,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:50:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:19,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:19,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:19,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:50:19,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:19,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:50:19,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:19,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:19,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:19,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:19,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:19,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:19,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:19,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:19,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:19,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:19,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:50:19,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:19,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:19,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:19,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:19,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:19,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:50:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:19,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:19,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:19,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:19,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:19,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:19,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:19,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:19,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:19,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:50:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:19,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:19,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:19,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:19,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:19,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:19,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:19,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:19,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:19,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:19,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-27 04:50:19,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140938567] [2020-10-27 04:50:19,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:50:19,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 04:50:19,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316997293] [2020-10-27 04:50:19,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 04:50:19,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:19,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 04:50:19,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:50:19,616 INFO L87 Difference]: Start difference. First operand 284 states and 414 transitions. Second operand 5 states. [2020-10-27 04:50:19,833 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:50:19,978 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:50:20,238 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:50:21,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:21,229 INFO L93 Difference]: Finished difference Result 576 states and 854 transitions. [2020-10-27 04:50:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:50:21,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-10-27 04:50:21,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:21,233 INFO L225 Difference]: With dead ends: 576 [2020-10-27 04:50:21,233 INFO L226 Difference]: Without dead ends: 327 [2020-10-27 04:50:21,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:50:21,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-27 04:50:21,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 320. [2020-10-27 04:50:21,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-27 04:50:21,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 457 transitions. [2020-10-27 04:50:21,291 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 457 transitions. Word has length 64 [2020-10-27 04:50:21,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:21,292 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 457 transitions. [2020-10-27 04:50:21,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 04:50:21,292 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 457 transitions. [2020-10-27 04:50:21,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 04:50:21,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:21,293 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:50:21,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 04:50:21,293 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:21,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:21,294 INFO L82 PathProgramCache]: Analyzing trace with hash 842510188, now seen corresponding path program 1 times [2020-10-27 04:50:21,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:21,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416146899] [2020-10-27 04:50:21,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:21,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:21,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:21,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 04:50:21,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:21,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 04:50:21,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-27 04:50:21,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:50:21,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:21,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:21,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:21,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:21,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:21,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:21,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:50:21,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:21,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:21,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:21,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:21,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:21,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:50:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:21,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:21,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:21,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:50:21,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:21,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:50:21,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:21,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:21,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:21,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:21,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:21,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:21,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:21,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:21,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:21,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:21,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:21,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:21,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:21,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:21,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:21,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:50:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:21,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:21,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:21,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:21,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:21,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:21,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:21,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:21,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:21,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:21,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:21,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:50:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:21,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:21,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:21,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:21,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:21,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:21,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:21,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:21,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:21,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:21,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-27 04:50:21,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416146899] [2020-10-27 04:50:21,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:50:21,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 04:50:21,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100456095] [2020-10-27 04:50:21,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 04:50:21,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:21,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 04:50:21,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:50:21,613 INFO L87 Difference]: Start difference. First operand 320 states and 457 transitions. Second operand 5 states. [2020-10-27 04:50:21,839 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:50:21,967 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 04:50:22,175 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:50:23,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:23,143 INFO L93 Difference]: Finished difference Result 613 states and 902 transitions. [2020-10-27 04:50:23,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:50:23,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-10-27 04:50:23,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:23,148 INFO L225 Difference]: With dead ends: 613 [2020-10-27 04:50:23,148 INFO L226 Difference]: Without dead ends: 333 [2020-10-27 04:50:23,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:50:23,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-27 04:50:23,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 327. [2020-10-27 04:50:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-10-27 04:50:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 465 transitions. [2020-10-27 04:50:23,190 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 465 transitions. Word has length 64 [2020-10-27 04:50:23,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:23,191 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 465 transitions. [2020-10-27 04:50:23,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 04:50:23,191 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 465 transitions. [2020-10-27 04:50:23,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-27 04:50:23,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:23,192 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:50:23,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 04:50:23,193 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:23,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:23,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1786052396, now seen corresponding path program 1 times [2020-10-27 04:50:23,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:23,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654843461] [2020-10-27 04:50:23,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:23,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:23,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:23,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:23,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:24,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:24,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-27 04:50:24,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:50:24,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-10-27 04:50:24,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:24,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:50:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 04:50:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:50:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:24,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:24,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:24,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:24,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:24,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:24,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:50:24,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:24,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:24,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:24,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:24,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:24,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:50:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:24,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:24,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:24,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:50:24,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:24,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:50:24,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:24,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:24,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:24,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:24,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:24,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:24,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:24,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:24,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:24,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:24,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:24,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:24,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:24,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:24,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:24,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:50:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:24,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:24,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:24,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:24,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:24,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:24,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:24,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:50:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:24,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:24,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:24,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:24,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:24,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:24,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:24,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:24,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 04:50:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:24,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:24,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:24,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 04:50:24,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:50:24,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:24,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:24,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:24,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 04:50:24,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:24,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:50:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:24,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:24,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:24,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:24,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:24,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:24,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:24,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-27 04:50:24,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654843461] [2020-10-27 04:50:24,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:50:24,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:50:24,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943826428] [2020-10-27 04:50:24,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:50:24,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:24,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:50:24,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:50:24,458 INFO L87 Difference]: Start difference. First operand 327 states and 465 transitions. Second operand 6 states. [2020-10-27 04:50:24,751 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:50:24,874 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:50:26,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:26,117 INFO L93 Difference]: Finished difference Result 601 states and 869 transitions. [2020-10-27 04:50:26,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:50:26,118 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2020-10-27 04:50:26,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:26,122 INFO L225 Difference]: With dead ends: 601 [2020-10-27 04:50:26,122 INFO L226 Difference]: Without dead ends: 333 [2020-10-27 04:50:26,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:50:26,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-27 04:50:26,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 327. [2020-10-27 04:50:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-10-27 04:50:26,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 462 transitions. [2020-10-27 04:50:26,178 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 462 transitions. Word has length 82 [2020-10-27 04:50:26,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:26,178 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 462 transitions. [2020-10-27 04:50:26,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:50:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 462 transitions. [2020-10-27 04:50:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 04:50:26,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:26,181 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:50:26,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 04:50:26,181 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:26,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:26,182 INFO L82 PathProgramCache]: Analyzing trace with hash 642439905, now seen corresponding path program 1 times [2020-10-27 04:50:26,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:26,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833184444] [2020-10-27 04:50:26,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:26,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:26,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:26,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:26,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:26,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 04:50:26,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:50:26,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 409 [2020-10-27 04:50:26,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:26,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:26,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 04:50:26,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:50:26,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:26,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:26,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:26,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:26,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:26,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:26,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:50:26,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:26,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:26,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:26,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:26,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:26,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:50:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:26,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:26,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:26,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:50:26,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:26,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:50:26,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:26,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:26,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:26,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:26,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:26,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:26,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:26,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:26,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:26,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:26,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:26,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:26,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:26,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:50:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:26,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:26,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:26,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:26,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:26,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:26,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:26,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:26,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:50:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:26,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:26,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:26,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:26,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:26,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:26,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:26,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:26,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:26,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 04:50:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:26,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:26,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:26,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:50:26,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:26,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:50:26,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:26,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:26,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:26,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:26,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:26,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:50:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:26,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:26,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:26,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:26,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:26,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:26,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:26,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:26,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:26,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:26,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:26,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:50:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:26,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:26,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:26,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:26,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:26,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:26,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:26,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:26,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:26,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:26,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:26,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:50:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:26,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:26,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:26,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:26,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:26,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:26,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:26,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:26,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:26,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:26,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2020-10-27 04:50:26,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833184444] [2020-10-27 04:50:26,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:50:26,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 04:50:26,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132286202] [2020-10-27 04:50:26,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 04:50:26,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:26,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 04:50:26,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:50:26,856 INFO L87 Difference]: Start difference. First operand 327 states and 462 transitions. Second operand 5 states. [2020-10-27 04:50:27,093 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:50:28,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:28,322 INFO L93 Difference]: Finished difference Result 679 states and 985 transitions. [2020-10-27 04:50:28,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:50:28,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-10-27 04:50:28,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:28,337 INFO L225 Difference]: With dead ends: 679 [2020-10-27 04:50:28,338 INFO L226 Difference]: Without dead ends: 416 [2020-10-27 04:50:28,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:50:28,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-10-27 04:50:28,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 409. [2020-10-27 04:50:28,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-10-27 04:50:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 580 transitions. [2020-10-27 04:50:28,389 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 580 transitions. Word has length 111 [2020-10-27 04:50:28,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:28,390 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 580 transitions. [2020-10-27 04:50:28,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 04:50:28,390 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 580 transitions. [2020-10-27 04:50:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 04:50:28,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:28,392 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:50:28,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 04:50:28,392 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:28,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:28,393 INFO L82 PathProgramCache]: Analyzing trace with hash -748806381, now seen corresponding path program 1 times [2020-10-27 04:50:28,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:28,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279785870] [2020-10-27 04:50:28,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:28,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:28,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:28,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 04:50:28,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 04:50:28,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-27 04:50:28,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:50:28,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:28,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:28,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:28,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:28,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:28,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:28,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:50:28,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:28,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:28,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:28,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:28,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:28,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:50:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:28,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:28,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:28,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:50:28,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:28,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:50:28,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:28,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:28,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:28,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:28,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:28,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:28,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:28,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:28,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:28,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:28,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:28,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:28,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:28,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:28,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:28,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:28,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:50:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:28,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:28,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:28,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:28,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:28,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:28,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:28,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:28,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:50:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:28,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:28,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:28,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:28,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:28,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:28,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:28,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:28,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 04:50:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:28,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:28,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:28,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:50:28,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:28,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:50:28,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:28,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:28,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:28,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:50:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:28,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:28,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:28,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:28,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:28,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:28,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:28,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:28,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:50:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:28,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:28,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:28,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:28,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:28,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:28,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:28,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:50:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:28,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:28,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:28,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:28,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:28,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:28,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:28,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:28,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:28,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:28,776 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-27 04:50:28,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1279785870] [2020-10-27 04:50:28,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:50:28,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 04:50:28,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650603241] [2020-10-27 04:50:28,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 04:50:28,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:28,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 04:50:28,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:50:28,778 INFO L87 Difference]: Start difference. First operand 409 states and 580 transitions. Second operand 5 states. [2020-10-27 04:50:29,099 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:50:29,224 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:50:30,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:30,187 INFO L93 Difference]: Finished difference Result 732 states and 1065 transitions. [2020-10-27 04:50:30,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 04:50:30,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-10-27 04:50:30,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:30,195 INFO L225 Difference]: With dead ends: 732 [2020-10-27 04:50:30,195 INFO L226 Difference]: Without dead ends: 407 [2020-10-27 04:50:30,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 04:50:30,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-10-27 04:50:30,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2020-10-27 04:50:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-10-27 04:50:30,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 566 transitions. [2020-10-27 04:50:30,251 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 566 transitions. Word has length 112 [2020-10-27 04:50:30,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:30,251 INFO L481 AbstractCegarLoop]: Abstraction has 403 states and 566 transitions. [2020-10-27 04:50:30,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 04:50:30,251 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 566 transitions. [2020-10-27 04:50:30,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 04:50:30,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:30,253 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:50:30,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 04:50:30,254 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:30,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:30,254 INFO L82 PathProgramCache]: Analyzing trace with hash 2136848151, now seen corresponding path program 1 times [2020-10-27 04:50:30,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:30,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480554446] [2020-10-27 04:50:30,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:30,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:30,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:30,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:30,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:30,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:35,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:35,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-27 04:50:35,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:50:35,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 04:50:35,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:35,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:50:35,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 04:50:35,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 04:50:35,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:35,468 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:50:35,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:35,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:35,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:35,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:35,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:35,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:50:35,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:35,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:35,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:35,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:35,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:50:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:35,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:35,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:35,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:36,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:36,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:50:36,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:50:36,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1134 [2020-10-27 04:50:36,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:50:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 04:50:36,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:36,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:36,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:36,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:36,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:36,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:36,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:50:36,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:36,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:50:36,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:36,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:50:36,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:36,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:50:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:36,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:36,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:36,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:36,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:36,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:50:36,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:50:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:50:36,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:36,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:50:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:36,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:36,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:36,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:36,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:36,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:50:36,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:36,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:50:36,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:36,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:50:36,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:36,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 04:50:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:36,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:36,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:36,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:50:36,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:36,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 04:50:36,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:50:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 04:50:36,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:36,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:50:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:36,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:36,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:36,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:36,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:36,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:36,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:36,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:36,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:50:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:36,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:36,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:36,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:36,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:36,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:36,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:36,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:36,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:36,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:36,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:36,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:50:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:36,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:36,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:36,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:36,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:36,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:36,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:36,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:36,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 04:50:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:36,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:36,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:36,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:36,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:50:36,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:50:36,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 04:50:36,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:36,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:50:36,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:50:36,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 04:50:36,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:37,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:37,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:37,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:37,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:37,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:37,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 04:50:37,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:37,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:50:37,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:37,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:50:37,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 72 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-10-27 04:50:37,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480554446] [2020-10-27 04:50:37,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:50:37,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 04:50:37,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236094870] [2020-10-27 04:50:37,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 04:50:37,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:37,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 04:50:37,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-27 04:50:37,131 INFO L87 Difference]: Start difference. First operand 403 states and 566 transitions. Second operand 11 states. [2020-10-27 04:50:37,321 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:50:37,482 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:50:37,651 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:50:37,960 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 133 [2020-10-27 04:50:38,371 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2020-10-27 04:50:38,687 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2020-10-27 04:50:38,866 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-27 04:50:39,077 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 04:50:39,488 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 147 [2020-10-27 04:50:39,692 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-27 04:50:40,036 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 145 [2020-10-27 04:50:40,248 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 04:50:41,975 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 141 [2020-10-27 04:50:43,256 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 142 [2020-10-27 04:50:43,632 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 04:50:43,968 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 04:50:44,393 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 141 [2020-10-27 04:50:44,787 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-27 04:50:45,840 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 147 [2020-10-27 04:50:48,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:48,982 INFO L93 Difference]: Finished difference Result 1446 states and 2106 transitions. [2020-10-27 04:50:48,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 04:50:48,983 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 127 [2020-10-27 04:50:48,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:48,991 INFO L225 Difference]: With dead ends: 1446 [2020-10-27 04:50:48,991 INFO L226 Difference]: Without dead ends: 1173 [2020-10-27 04:50:48,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=197, Invalid=733, Unknown=0, NotChecked=0, Total=930 [2020-10-27 04:50:48,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2020-10-27 04:50:49,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1102. [2020-10-27 04:50:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1102 states. [2020-10-27 04:50:49,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1600 transitions. [2020-10-27 04:50:49,131 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1600 transitions. Word has length 127 [2020-10-27 04:50:49,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:49,132 INFO L481 AbstractCegarLoop]: Abstraction has 1102 states and 1600 transitions. [2020-10-27 04:50:49,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 04:50:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1600 transitions. [2020-10-27 04:50:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 04:50:49,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:49,135 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:50:49,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 04:50:49,136 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:49,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:49,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1129623465, now seen corresponding path program 1 times [2020-10-27 04:50:49,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:49,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2022270197] [2020-10-27 04:50:49,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:49,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:49,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:49,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:49,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:49,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:51,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-27 04:50:51,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:50:51,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2524 [2020-10-27 04:50:51,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 04:50:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:50:51,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:51,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:51,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:51,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:51,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:51,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:50:51,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:51,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:51,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:51,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:51,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:51,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:50:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:51,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:51,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:50:51,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:51,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:50:51,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:51,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:51,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:51,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:51,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:51,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:51,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:51,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:51,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:50:51,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:51,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:51,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:50:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:51,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:51,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:51,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:51,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:51,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:51,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:51,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:50:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:51,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:51,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:51,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:51,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:51,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:51,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:51,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 04:50:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:51,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:51,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:50:51,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:51,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:50:51,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:51,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:51,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:51,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:50:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:51,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:51,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:51,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:51,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:51,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:51,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:51,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:51,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:51,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:51,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:50:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:51,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:51,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:51,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:51,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:51,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:51,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:50:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:51,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:51,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:51,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:51,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:51,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:51,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:51,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:51,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:51,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:51,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 04:50:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:51,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:51,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 04:50:51,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:50:51,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 04:50:51,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:50:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 04:50:51,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:51,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:51,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:51,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:51,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:51,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:50:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:50:51,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:50:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:50:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:51,970 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-10-27 04:50:51,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2022270197] [2020-10-27 04:50:51,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:50:51,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 04:50:51,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438374523] [2020-10-27 04:50:51,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 04:50:51,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:50:51,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 04:50:51,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:50:51,973 INFO L87 Difference]: Start difference. First operand 1102 states and 1600 transitions. Second operand 5 states. [2020-10-27 04:50:52,128 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:50:52,244 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:50:52,433 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:50:53,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:50:53,553 INFO L93 Difference]: Finished difference Result 1676 states and 2447 transitions. [2020-10-27 04:50:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:50:53,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-10-27 04:50:53,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:50:53,559 INFO L225 Difference]: With dead ends: 1676 [2020-10-27 04:50:53,559 INFO L226 Difference]: Without dead ends: 734 [2020-10-27 04:50:53,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:50:53,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2020-10-27 04:50:53,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 726. [2020-10-27 04:50:53,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2020-10-27 04:50:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1020 transitions. [2020-10-27 04:50:53,653 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1020 transitions. Word has length 128 [2020-10-27 04:50:53,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:50:53,653 INFO L481 AbstractCegarLoop]: Abstraction has 726 states and 1020 transitions. [2020-10-27 04:50:53,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 04:50:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1020 transitions. [2020-10-27 04:50:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-27 04:50:53,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:50:53,656 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:50:53,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 04:50:53,656 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:50:53,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:50:53,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1124625296, now seen corresponding path program 1 times [2020-10-27 04:50:53,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:50:53,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759110901] [2020-10-27 04:50:53,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:50:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:53,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:53,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:53,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:53,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:53,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:58,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:58,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-27 04:50:58,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:50:58,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 04:50:58,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:50:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 04:50:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 04:50:58,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:58,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:50:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:58,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:58,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:58,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:50:58,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:58,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:50:58,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:58,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:58,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:58,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:58,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:58,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:50:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:58,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:58,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:58,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:50:58,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:58,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:50:58,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:58,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:58,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:58,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:58,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:58,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:50:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:58,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:58,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:58,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:58,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:58,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:58,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:58,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:58,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:50:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:58,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:58,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:58,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:58,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:58,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:58,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:58,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:58,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:50:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:58,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:58,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:58,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:50:58,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:58,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:50:58,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:50:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:58,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:50:58,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:58,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 04:50:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:58,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:58,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:58,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:59,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:59,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:50:59,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:50:59,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 821 [2020-10-27 04:50:59,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:50:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 04:50:59,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:59,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:50:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:59,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:59,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:59,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:59,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:59,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:50:59,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:59,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:50:59,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:59,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:50:59,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:59,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:50:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:59,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:59,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:59,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:59,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:59,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:50:59,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:50:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:50:59,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:59,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:50:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:59,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:59,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:59,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:59,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:59,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:50:59,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:59,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:50:59,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:50:59,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:59,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 04:50:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:59,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:59,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:59,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:59,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 04:50:59,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:50:59,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 04:50:59,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:59,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:50:59,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:50:59,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 04:50:59,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:50:59,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:50:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:50:59,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:50:59,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:50:59,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:50:59,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:50:59,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:50:59,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:50:59,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:50:59,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:50:59,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:50:59,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:00,011 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 75 proven. 40 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-10-27 04:51:00,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759110901] [2020-10-27 04:51:00,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:51:00,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 04:51:00,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763064238] [2020-10-27 04:51:00,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 04:51:00,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:00,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 04:51:00,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:51:00,013 INFO L87 Difference]: Start difference. First operand 726 states and 1020 transitions. Second operand 10 states. [2020-10-27 04:51:00,177 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:51:00,361 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:51:00,552 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 04:51:00,911 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:51:01,306 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 143 [2020-10-27 04:51:01,496 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-27 04:51:01,694 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-27 04:51:01,892 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:51:02,331 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2020-10-27 04:51:02,515 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 04:51:02,725 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 04:51:04,575 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 141 [2020-10-27 04:51:04,806 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 04:51:06,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:51:06,619 INFO L93 Difference]: Finished difference Result 2042 states and 2956 transitions. [2020-10-27 04:51:06,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 04:51:06,619 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2020-10-27 04:51:06,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:51:06,644 INFO L225 Difference]: With dead ends: 2042 [2020-10-27 04:51:06,644 INFO L226 Difference]: Without dead ends: 1269 [2020-10-27 04:51:06,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-10-27 04:51:06,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2020-10-27 04:51:06,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1234. [2020-10-27 04:51:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1234 states. [2020-10-27 04:51:06,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1744 transitions. [2020-10-27 04:51:06,793 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1744 transitions. Word has length 129 [2020-10-27 04:51:06,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:51:06,794 INFO L481 AbstractCegarLoop]: Abstraction has 1234 states and 1744 transitions. [2020-10-27 04:51:06,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 04:51:06,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1744 transitions. [2020-10-27 04:51:06,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 04:51:06,796 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:51:06,797 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:51:06,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 04:51:06,797 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:51:06,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:51:06,798 INFO L82 PathProgramCache]: Analyzing trace with hash -55493312, now seen corresponding path program 1 times [2020-10-27 04:51:06,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:51:06,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539561414] [2020-10-27 04:51:06,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:51:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:06,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:06,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:07,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:07,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 04:51:07,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:51:07,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-27 04:51:07,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:51:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-27 04:51:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:51:07,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:07,253 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:51:07,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:51:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:07,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:07,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:07,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:51:07,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:07,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:51:07,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:07,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:07,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:07,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:51:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:07,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:07,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:07,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:07,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:07,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:51:07,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:07,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:07,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:07,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:07,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:07,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:07,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:07,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:07,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:07,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:07,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:07,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:07,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:07,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:51:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:07,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:07,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:07,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:07,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:07,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:07,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:07,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:07,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:07,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:07,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:07,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:07,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:07,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:07,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:07,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 04:51:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:07,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:07,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:07,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:51:07,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:07,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:51:07,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:07,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:07,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:07,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:07,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:07,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:51:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:07,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:07,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:07,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:07,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:07,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:07,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:07,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:07,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:07,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:07,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:07,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:51:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:07,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:07,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:07,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:07,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:07,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:07,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:07,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:07,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:07,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:07,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:07,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:51:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:07,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:07,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:07,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:07,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:07,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:07,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:07,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 04:51:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:07,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:07,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:07,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 04:51:07,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:07,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 04:51:07,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 04:51:07,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:51:07,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:51:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:07,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:07,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:07,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:07,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:07,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:07,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:07,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:51:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-10-27 04:51:07,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539561414] [2020-10-27 04:51:07,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:51:07,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:51:07,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698169591] [2020-10-27 04:51:07,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:51:07,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:07,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:51:07,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:51:07,424 INFO L87 Difference]: Start difference. First operand 1234 states and 1744 transitions. Second operand 6 states. [2020-10-27 04:51:07,973 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:51:08,106 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:51:08,248 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:51:09,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:51:09,325 INFO L93 Difference]: Finished difference Result 2203 states and 3155 transitions. [2020-10-27 04:51:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:51:09,325 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2020-10-27 04:51:09,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:51:09,333 INFO L225 Difference]: With dead ends: 2203 [2020-10-27 04:51:09,334 INFO L226 Difference]: Without dead ends: 1252 [2020-10-27 04:51:09,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:51:09,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-10-27 04:51:09,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1234. [2020-10-27 04:51:09,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1234 states. [2020-10-27 04:51:09,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1732 transitions. [2020-10-27 04:51:09,495 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1732 transitions. Word has length 131 [2020-10-27 04:51:09,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:51:09,495 INFO L481 AbstractCegarLoop]: Abstraction has 1234 states and 1732 transitions. [2020-10-27 04:51:09,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:51:09,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1732 transitions. [2020-10-27 04:51:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-27 04:51:09,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:51:09,499 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 7, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:51:09,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 04:51:09,500 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:51:09,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:51:09,500 INFO L82 PathProgramCache]: Analyzing trace with hash 2111936190, now seen corresponding path program 1 times [2020-10-27 04:51:09,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:51:09,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [756297069] [2020-10-27 04:51:09,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:51:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:09,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:09,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:09,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:09,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:10,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 04:51:10,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:51:10,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 503 [2020-10-27 04:51:10,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:10,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 04:51:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 04:51:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:10,165 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:51:10,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:51:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:10,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:10,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:51:10,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:10,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:51:10,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:10,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:10,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:10,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:10,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:10,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:51:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:10,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:10,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:10,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:10,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:10,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:10,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:10,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:10,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:10,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:10,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:10,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:10,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:10,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:10,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:10,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:10,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:10,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:51:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:10,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:10,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:10,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:10,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:10,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:10,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:10,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:10,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:10,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:10,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:10,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:51:10,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:10,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:10,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 04:51:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:10,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:10,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:51:10,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:10,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:10,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:10,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:10,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:10,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:10,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:51:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:10,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:10,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:10,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:10,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:51:10,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:10,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:10,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:10,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:10,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:10,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:51:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:10,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:10,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:10,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:10,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:10,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:10,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:10,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:51:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:10,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:10,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:10,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:10,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:10,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:10,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:10,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:10,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 04:51:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:10,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:10,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:10,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:51:10,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:51:10,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 04:51:10,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:51:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:51:10,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:10,325 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 119 proven. 7 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2020-10-27 04:51:10,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [756297069] [2020-10-27 04:51:10,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:51:10,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 04:51:10,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072317386] [2020-10-27 04:51:10,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 04:51:10,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:10,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 04:51:10,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:51:10,327 INFO L87 Difference]: Start difference. First operand 1234 states and 1732 transitions. Second operand 5 states. [2020-10-27 04:51:10,462 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:51:10,582 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 04:51:10,824 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:51:11,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:51:11,910 INFO L93 Difference]: Finished difference Result 2223 states and 3159 transitions. [2020-10-27 04:51:11,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:51:11,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-27 04:51:11,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:51:11,917 INFO L225 Difference]: With dead ends: 2223 [2020-10-27 04:51:11,917 INFO L226 Difference]: Without dead ends: 1140 [2020-10-27 04:51:11,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:51:11,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2020-10-27 04:51:12,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1130. [2020-10-27 04:51:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1130 states. [2020-10-27 04:51:12,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1568 transitions. [2020-10-27 04:51:12,050 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1568 transitions. Word has length 137 [2020-10-27 04:51:12,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:51:12,051 INFO L481 AbstractCegarLoop]: Abstraction has 1130 states and 1568 transitions. [2020-10-27 04:51:12,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 04:51:12,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1568 transitions. [2020-10-27 04:51:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-27 04:51:12,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:51:12,053 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 7, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:51:12,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 04:51:12,054 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:51:12,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:51:12,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1626268045, now seen corresponding path program 1 times [2020-10-27 04:51:12,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:51:12,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086583585] [2020-10-27 04:51:12,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:51:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-27 04:51:12,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 04:51:12,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-10-27 04:51:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 04:51:12,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:12,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:51:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:51:12,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:51:12,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:12,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:51:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:12,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:51:12,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:12,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:12,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:12,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:12,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:51:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:12,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:12,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:51:12,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:12,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:51:12,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:12,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 04:51:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:51:12,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:51:12,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:12,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:51:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:12,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:12,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:12,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:51:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:12,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:12,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:12,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:51:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:12,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:12,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:51:12,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 04:51:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:51:12,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:51:12,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:51:12,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:51:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:12,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:12,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:12,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:12,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:12,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:51:12,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:51:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:12,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:12,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:12,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:12,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:12,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:12,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:12,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:12,567 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-10-27 04:51:12,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086583585] [2020-10-27 04:51:12,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:51:12,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 04:51:12,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332907866] [2020-10-27 04:51:12,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 04:51:12,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:12,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 04:51:12,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:51:12,573 INFO L87 Difference]: Start difference. First operand 1130 states and 1568 transitions. Second operand 5 states. [2020-10-27 04:51:13,139 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:51:13,263 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:51:14,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:51:14,168 INFO L93 Difference]: Finished difference Result 1943 states and 2815 transitions. [2020-10-27 04:51:14,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 04:51:14,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-10-27 04:51:14,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:51:14,176 INFO L225 Difference]: With dead ends: 1943 [2020-10-27 04:51:14,176 INFO L226 Difference]: Without dead ends: 1132 [2020-10-27 04:51:14,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 04:51:14,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2020-10-27 04:51:14,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1122. [2020-10-27 04:51:14,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1122 states. [2020-10-27 04:51:14,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1552 transitions. [2020-10-27 04:51:14,311 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1552 transitions. Word has length 164 [2020-10-27 04:51:14,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:51:14,311 INFO L481 AbstractCegarLoop]: Abstraction has 1122 states and 1552 transitions. [2020-10-27 04:51:14,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 04:51:14,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1552 transitions. [2020-10-27 04:51:14,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-27 04:51:14,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:51:14,315 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 7, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:51:14,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 04:51:14,315 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:51:14,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:51:14,316 INFO L82 PathProgramCache]: Analyzing trace with hash -295992612, now seen corresponding path program 1 times [2020-10-27 04:51:14,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:51:14,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376449710] [2020-10-27 04:51:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:51:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:14,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:14,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:14,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:14,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-27 04:51:14,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:51:14,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-10-27 04:51:14,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:51:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-10-27 04:51:14,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:51:14,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:14,918 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:51:14,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:51:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:14,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:14,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:14,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:51:14,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:14,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:51:14,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:14,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:14,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:14,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:14,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:14,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:14,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 04:51:15,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 04:51:15,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:51:15,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-10-27 04:51:15,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:51:15,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:15,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:51:15,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:15,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:15,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:51:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:15,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:15,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:15,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:15,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:51:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:51:15,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:15,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:51:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:15,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:15,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:51:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:15,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:15,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:51:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:15,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:15,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:51:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:51:15,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:51:15,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:51:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:15,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:15,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:15,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:15,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:51:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:15,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:15,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:51:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 04:51:15,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:51:15,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 04:51:15,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:15,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:15,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:15,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 04:51:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:15,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:15,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:15,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:15,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:15,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:15,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:51:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:15,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-10-27 04:51:15,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376449710] [2020-10-27 04:51:15,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:51:15,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:51:15,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498054746] [2020-10-27 04:51:15,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:51:15,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:15,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:51:15,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:51:15,314 INFO L87 Difference]: Start difference. First operand 1122 states and 1552 transitions. Second operand 6 states. [2020-10-27 04:51:15,797 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:51:15,937 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:51:16,064 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 04:51:17,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:51:17,044 INFO L93 Difference]: Finished difference Result 1843 states and 2619 transitions. [2020-10-27 04:51:17,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:51:17,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 190 [2020-10-27 04:51:17,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:51:17,054 INFO L225 Difference]: With dead ends: 1843 [2020-10-27 04:51:17,054 INFO L226 Difference]: Without dead ends: 1132 [2020-10-27 04:51:17,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:51:17,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2020-10-27 04:51:17,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1122. [2020-10-27 04:51:17,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1122 states. [2020-10-27 04:51:17,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1540 transitions. [2020-10-27 04:51:17,184 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1540 transitions. Word has length 190 [2020-10-27 04:51:17,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:51:17,184 INFO L481 AbstractCegarLoop]: Abstraction has 1122 states and 1540 transitions. [2020-10-27 04:51:17,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:51:17,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1540 transitions. [2020-10-27 04:51:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-27 04:51:17,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:51:17,187 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:51:17,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 04:51:17,188 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:51:17,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:51:17,188 INFO L82 PathProgramCache]: Analyzing trace with hash 888346772, now seen corresponding path program 1 times [2020-10-27 04:51:17,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:51:17,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [304781248] [2020-10-27 04:51:17,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:51:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:17,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:17,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:17,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:17,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:17,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:17,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-27 04:51:17,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:51:17,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 484 [2020-10-27 04:51:17,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:17,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 182 [2020-10-27 04:51:17,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:51:17,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:51:17,845 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:51:17,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:51:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:17,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:17,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:17,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:51:17,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:17,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:17,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:17,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:17,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:17,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:17,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:17,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-27 04:51:18,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:51:18,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-27 04:51:18,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-10-27 04:51:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 04:51:18,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:18,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:18,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:18,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:18,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:18,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:51:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:18,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:18,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:18,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:18,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:18,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:18,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:51:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:51:18,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:51:18,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:18,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:51:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:18,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:18,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:51:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:18,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:18,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:18,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:51:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:18,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:18,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:18,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:51:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:51:18,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:51:18,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:18,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:51:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:18,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:18,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:18,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:18,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:18,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:51:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:18,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:51:18,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:18,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:51:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:51:18,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:51:18,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 04:51:18,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:18,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:51:18,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:51:18,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 04:51:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:18,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:18,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:18,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:18,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:18,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:18,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:51:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:18,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:18,357 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2020-10-27 04:51:18,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [304781248] [2020-10-27 04:51:18,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:51:18,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 04:51:18,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070260234] [2020-10-27 04:51:18,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 04:51:18,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:18,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 04:51:18,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:51:18,359 INFO L87 Difference]: Start difference. First operand 1122 states and 1540 transitions. Second operand 5 states. [2020-10-27 04:51:18,510 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 04:51:18,660 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 04:51:19,031 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:51:20,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:51:20,055 INFO L93 Difference]: Finished difference Result 1927 states and 2711 transitions. [2020-10-27 04:51:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:51:20,055 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2020-10-27 04:51:20,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:51:20,062 INFO L225 Difference]: With dead ends: 1927 [2020-10-27 04:51:20,062 INFO L226 Difference]: Without dead ends: 1132 [2020-10-27 04:51:20,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:51:20,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2020-10-27 04:51:20,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1122. [2020-10-27 04:51:20,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1122 states. [2020-10-27 04:51:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1528 transitions. [2020-10-27 04:51:20,196 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1528 transitions. Word has length 197 [2020-10-27 04:51:20,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:51:20,196 INFO L481 AbstractCegarLoop]: Abstraction has 1122 states and 1528 transitions. [2020-10-27 04:51:20,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 04:51:20,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1528 transitions. [2020-10-27 04:51:20,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-27 04:51:20,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:51:20,200 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:51:20,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 04:51:20,200 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:51:20,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:51:20,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1583576865, now seen corresponding path program 1 times [2020-10-27 04:51:20,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:51:20,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886928262] [2020-10-27 04:51:20,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:51:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-27 04:51:20,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-27 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-10-27 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:51:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:51:20,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:51:20,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:51:20,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 04:51:20,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:20,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:20,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:20,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:51:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:20,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:20,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:51:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:51:20,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:20,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:51:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:20,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:51:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:20,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:51:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:20,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:51:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:51:20,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:20,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:51:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:20,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:20,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:51:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:20,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:51:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:51:20,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:20,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:20,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:20,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:51:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:20,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:51:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:20,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:20,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:20,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:20,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:20,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:20,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:20,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:20,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:20,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-10-27 04:51:20,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886928262] [2020-10-27 04:51:20,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:51:20,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 04:51:20,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537174566] [2020-10-27 04:51:20,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 04:51:20,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:20,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 04:51:20,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 04:51:20,801 INFO L87 Difference]: Start difference. First operand 1122 states and 1528 transitions. Second operand 5 states. [2020-10-27 04:51:21,363 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:51:21,495 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 04:51:22,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:51:22,336 INFO L93 Difference]: Finished difference Result 1549 states and 2143 transitions. [2020-10-27 04:51:22,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 04:51:22,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 221 [2020-10-27 04:51:22,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:51:22,341 INFO L225 Difference]: With dead ends: 1549 [2020-10-27 04:51:22,341 INFO L226 Difference]: Without dead ends: 874 [2020-10-27 04:51:22,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:51:22,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-27 04:51:22,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 850. [2020-10-27 04:51:22,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2020-10-27 04:51:22,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1078 transitions. [2020-10-27 04:51:22,440 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1078 transitions. Word has length 221 [2020-10-27 04:51:22,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:51:22,441 INFO L481 AbstractCegarLoop]: Abstraction has 850 states and 1078 transitions. [2020-10-27 04:51:22,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 04:51:22,441 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1078 transitions. [2020-10-27 04:51:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-27 04:51:22,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:51:22,444 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:51:22,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 04:51:22,445 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:51:22,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:51:22,445 INFO L82 PathProgramCache]: Analyzing trace with hash 351834666, now seen corresponding path program 1 times [2020-10-27 04:51:22,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:51:22,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607744798] [2020-10-27 04:51:22,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:51:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-27 04:51:22,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-27 04:51:22,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:22,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 272 [2020-10-27 04:51:22,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:51:22,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:51:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:51:22,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:51:22,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:51:22,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 04:51:22,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:22,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:51:22,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:22,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:22,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:51:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:22,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:22,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:22,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:22,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:51:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:51:22,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:22,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:51:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:22,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:22,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:51:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:22,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:22,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:51:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:22,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:22,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:51:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:51:22,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:22,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:51:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:22,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:22,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:22,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:22,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:51:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:22,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:22,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:51:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:51:22,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:22,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:22,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:22,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:22,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:22,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:22,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:51:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:22,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:22,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:22,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:22,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:22,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:22,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:22,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:23,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:51:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:23,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:23,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:23,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:23,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:23,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 04:51:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:23,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:23,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:23,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:51:23,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:23,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:23,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:23,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:23,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:23,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:23,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:23,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:23,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:23,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-10-27 04:51:23,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607744798] [2020-10-27 04:51:23,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:51:23,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 04:51:23,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214288948] [2020-10-27 04:51:23,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 04:51:23,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:23,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 04:51:23,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 04:51:23,198 INFO L87 Difference]: Start difference. First operand 850 states and 1078 transitions. Second operand 7 states. [2020-10-27 04:51:23,824 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:51:23,961 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:51:24,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:51:24,912 INFO L93 Difference]: Finished difference Result 1100 states and 1429 transitions. [2020-10-27 04:51:24,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 04:51:24,916 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-10-27 04:51:24,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:51:24,919 INFO L225 Difference]: With dead ends: 1100 [2020-10-27 04:51:24,919 INFO L226 Difference]: Without dead ends: 753 [2020-10-27 04:51:24,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:51:24,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2020-10-27 04:51:25,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 728. [2020-10-27 04:51:25,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-10-27 04:51:25,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 882 transitions. [2020-10-27 04:51:25,025 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 882 transitions. Word has length 233 [2020-10-27 04:51:25,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:51:25,025 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 882 transitions. [2020-10-27 04:51:25,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 04:51:25,025 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 882 transitions. [2020-10-27 04:51:25,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-27 04:51:25,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:51:25,028 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:51:25,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 04:51:25,029 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:51:25,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:51:25,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1874645273, now seen corresponding path program 1 times [2020-10-27 04:51:25,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:51:25,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661907544] [2020-10-27 04:51:25,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:51:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-27 04:51:25,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-27 04:51:25,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:25,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 289 [2020-10-27 04:51:25,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:51:25,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,420 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:51:25,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:51:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:51:25,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:25,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:51:25,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 04:51:25,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:25,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:25,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:25,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:25,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:51:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:25,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:25,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:25,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:25,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:51:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:51:25,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:25,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:51:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:25,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:25,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:51:25,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:51:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:25,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:25,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:51:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:25,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:25,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:51:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:51:25,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:25,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:51:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:25,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:25,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:25,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:25,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:51:25,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:51:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:25,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:25,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:51:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:51:25,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:51:25,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:25,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:25,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:25,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:25,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:51:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:25,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:25,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:51:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:25,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:25,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 04:51:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:51:25,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:25,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:25,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:25,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-27 04:51:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 04:51:25,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:51:25,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:25,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:25,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:25,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:25,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:25,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:25,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:25,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2020-10-27 04:51:25,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661907544] [2020-10-27 04:51:25,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:51:25,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 04:51:25,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410231279] [2020-10-27 04:51:25,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:51:25,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:25,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:51:25,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:51:25,801 INFO L87 Difference]: Start difference. First operand 728 states and 882 transitions. Second operand 8 states. [2020-10-27 04:51:26,517 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:51:26,657 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 04:51:27,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:51:27,433 INFO L93 Difference]: Finished difference Result 910 states and 1141 transitions. [2020-10-27 04:51:27,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 04:51:27,434 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 246 [2020-10-27 04:51:27,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:51:27,439 INFO L225 Difference]: With dead ends: 910 [2020-10-27 04:51:27,439 INFO L226 Difference]: Without dead ends: 729 [2020-10-27 04:51:27,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-27 04:51:27,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2020-10-27 04:51:27,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 727. [2020-10-27 04:51:27,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2020-10-27 04:51:27,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 877 transitions. [2020-10-27 04:51:27,523 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 877 transitions. Word has length 246 [2020-10-27 04:51:27,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:51:27,523 INFO L481 AbstractCegarLoop]: Abstraction has 727 states and 877 transitions. [2020-10-27 04:51:27,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:51:27,524 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 877 transitions. [2020-10-27 04:51:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-27 04:51:27,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:51:27,527 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:51:27,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 04:51:27,527 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:51:27,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:51:27,528 INFO L82 PathProgramCache]: Analyzing trace with hash -505205151, now seen corresponding path program 1 times [2020-10-27 04:51:27,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:51:27,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743037000] [2020-10-27 04:51:27,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:51:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:27,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:27,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:27,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-27 04:51:27,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:27,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-27 04:51:27,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:27,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:27,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 309 [2020-10-27 04:51:27,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 04:51:27,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:27,907 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:51:27,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:51:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:27,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:27,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:27,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:51:27,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:27,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:27,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:27,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:27,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:27,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:27,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:27,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:27,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:51:27,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:27,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 04:51:27,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:27,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:27,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:27,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:27,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:27,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:27,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:27,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:27,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:27,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:27,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:51:27,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:27,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:27,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:27,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:27,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:27,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:27,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:27,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:27,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:27,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:27,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:27,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:27,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:27,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:27,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:27,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:27,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:51:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:27,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:27,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:27,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:27,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:27,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:27,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:27,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:27,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:27,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:27,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:27,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:27,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:27,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:27,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:27,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:27,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:27,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:27,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:27,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:27,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:51:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:27,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:27,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:27,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:51:27,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:27,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:27,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:27,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:27,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:51:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:27,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:27,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:27,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:27,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:27,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:27,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:27,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:51:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:27,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:28,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:28,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:51:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:28,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:28,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:51:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:51:28,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:28,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:51:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:28,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:28,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:28,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:28,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:51:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:28,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:28,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:51:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:51:28,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:28,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:28,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:28,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:28,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:28,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:51:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:28,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:28,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:51:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:28,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:28,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 04:51:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:51:28,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:28,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:28,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:28,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-27 04:51:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 04:51:28,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:28,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:28,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:28,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-27 04:51:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:51:28,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:28,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:28,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:28,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:28,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:28,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:28,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:51:28,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:28,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2020-10-27 04:51:28,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [743037000] [2020-10-27 04:51:28,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:51:28,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 04:51:28,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414375587] [2020-10-27 04:51:28,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 04:51:28,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:28,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 04:51:28,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:51:28,433 INFO L87 Difference]: Start difference. First operand 727 states and 877 transitions. Second operand 9 states. [2020-10-27 04:51:29,212 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:51:29,349 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:51:29,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:51:29,973 INFO L93 Difference]: Finished difference Result 906 states and 1129 transitions. [2020-10-27 04:51:29,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 04:51:29,973 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 260 [2020-10-27 04:51:29,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:51:29,978 INFO L225 Difference]: With dead ends: 906 [2020-10-27 04:51:29,979 INFO L226 Difference]: Without dead ends: 726 [2020-10-27 04:51:29,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-10-27 04:51:29,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2020-10-27 04:51:30,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 726. [2020-10-27 04:51:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2020-10-27 04:51:30,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 874 transitions. [2020-10-27 04:51:30,062 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 874 transitions. Word has length 260 [2020-10-27 04:51:30,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:51:30,062 INFO L481 AbstractCegarLoop]: Abstraction has 726 states and 874 transitions. [2020-10-27 04:51:30,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 04:51:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 874 transitions. [2020-10-27 04:51:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-27 04:51:30,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:51:30,066 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:51:30,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-27 04:51:30,066 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:51:30,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:51:30,067 INFO L82 PathProgramCache]: Analyzing trace with hash 495118890, now seen corresponding path program 1 times [2020-10-27 04:51:30,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:51:30,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1159065153] [2020-10-27 04:51:30,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:51:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:30,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:30,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:30,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:30,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-10-27 04:51:31,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:51:31,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1232 [2020-10-27 04:51:31,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:51:31,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-27 04:51:31,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 04:51:31,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,495 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:51:31,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:51:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:51:31,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:31,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:51:31,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 04:51:31,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:31,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:51:31,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:31,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:51:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:31,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:31,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:51:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:51:31,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:31,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:51:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:31,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:51:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:31,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:51:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:31,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:51:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:51:31,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:31,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:51:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:31,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:31,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:51:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:31,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:51:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:51:31,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:31,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:31,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:31,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:51:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:31,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:51:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:31,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:51:31,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 04:51:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:51:31,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:51:31,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 04:51:31,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:31,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:31,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-27 04:51:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 04:51:31,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:51:31,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 04:51:31,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:31,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:31,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-27 04:51:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:51:31,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:51:31,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:31,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 04:51:31,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:31,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:31,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:31,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:31,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:31,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:31,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:31,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:31,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:31,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:31,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2020-10-27 04:51:31,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1159065153] [2020-10-27 04:51:31,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:51:31,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 04:51:31,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035990748] [2020-10-27 04:51:31,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 04:51:31,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:31,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 04:51:31,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:51:31,950 INFO L87 Difference]: Start difference. First operand 726 states and 874 transitions. Second operand 9 states. [2020-10-27 04:51:32,098 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:51:32,222 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:51:32,994 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:51:34,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:51:34,624 INFO L93 Difference]: Finished difference Result 1179 states and 1484 transitions. [2020-10-27 04:51:34,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 04:51:34,625 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 260 [2020-10-27 04:51:34,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:51:34,630 INFO L225 Difference]: With dead ends: 1179 [2020-10-27 04:51:34,631 INFO L226 Difference]: Without dead ends: 1000 [2020-10-27 04:51:34,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2020-10-27 04:51:34,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2020-10-27 04:51:34,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 984. [2020-10-27 04:51:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2020-10-27 04:51:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1211 transitions. [2020-10-27 04:51:34,738 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1211 transitions. Word has length 260 [2020-10-27 04:51:34,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:51:34,738 INFO L481 AbstractCegarLoop]: Abstraction has 984 states and 1211 transitions. [2020-10-27 04:51:34,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 04:51:34,738 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1211 transitions. [2020-10-27 04:51:34,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-27 04:51:34,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:51:34,742 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:51:34,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-27 04:51:34,742 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:51:34,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:51:34,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1279577041, now seen corresponding path program 1 times [2020-10-27 04:51:34,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:51:34,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579639873] [2020-10-27 04:51:34,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:51:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:34,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:34,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:35,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:35,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:35,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:36,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:36,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:39,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:39,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 373 [2020-10-27 04:51:39,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:51:39,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:51:39,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:51:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 04:51:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 355 [2020-10-27 04:51:39,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:39,941 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:51:39,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:51:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:39,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:39,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:39,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:51:39,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:39,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 04:51:39,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:39,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 04:51:39,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:39,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:39,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:51:40,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 04:51:40,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:40,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-10-27 04:51:40,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:40,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:40,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:40,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:51:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:40,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:40,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:51:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:51:40,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:51:40,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:51:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:40,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:51:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:40,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:51:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:40,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:51:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:51:40,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:40,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:51:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:40,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:40,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:51:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:40,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:51:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:51:40,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:40,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:40,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:40,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:51:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:40,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:51:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:40,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:51:40,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 04:51:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:51:40,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:51:40,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 04:51:40,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:40,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:40,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-27 04:51:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 04:51:40,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:51:40,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 04:51:40,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:40,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:40,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-27 04:51:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:51:40,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:51:40,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:40,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 04:51:40,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:40,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:40,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-27 04:51:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 04:51:40,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:40,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:40,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 04:51:40,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:40,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-27 04:51:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 04:51:40,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:51:40,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-27 04:51:40,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:40,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 04:51:40,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:51:40,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 04:51:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:40,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:40,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 04:51:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:40,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:51:40,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:40,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:51:40,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:51:40,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 04:51:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:40,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:51:40,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:51:40,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:40,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:51:40,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:51:40,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:51:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:40,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:40,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:40,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:40,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:40,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:40,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 04:51:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:40,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 42 proven. 4 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2020-10-27 04:51:40,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579639873] [2020-10-27 04:51:40,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:51:40,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 04:51:40,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147165250] [2020-10-27 04:51:40,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 04:51:40,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:40,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 04:51:40,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 04:51:40,692 INFO L87 Difference]: Start difference. First operand 984 states and 1211 transitions. Second operand 14 states. [2020-10-27 04:51:40,850 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:51:41,023 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 04:51:41,163 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 04:51:41,598 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 04:51:41,771 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 04:51:43,064 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:51:43,254 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:51:44,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:51:44,051 INFO L93 Difference]: Finished difference Result 1347 states and 1714 transitions. [2020-10-27 04:51:44,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 04:51:44,052 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 301 [2020-10-27 04:51:44,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:51:44,059 INFO L225 Difference]: With dead ends: 1347 [2020-10-27 04:51:44,059 INFO L226 Difference]: Without dead ends: 996 [2020-10-27 04:51:44,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2020-10-27 04:51:44,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2020-10-27 04:51:44,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 996. [2020-10-27 04:51:44,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2020-10-27 04:51:44,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1219 transitions. [2020-10-27 04:51:44,171 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1219 transitions. Word has length 301 [2020-10-27 04:51:44,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:51:44,171 INFO L481 AbstractCegarLoop]: Abstraction has 996 states and 1219 transitions. [2020-10-27 04:51:44,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 04:51:44,172 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1219 transitions. [2020-10-27 04:51:44,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-27 04:51:44,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:51:44,175 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:51:44,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-27 04:51:44,175 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:51:44,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:51:44,176 INFO L82 PathProgramCache]: Analyzing trace with hash 376656561, now seen corresponding path program 1 times [2020-10-27 04:51:44,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:51:44,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81795064] [2020-10-27 04:51:44,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:51:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:44,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:44,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:44,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:44,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:44,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:49,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:49,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-10-27 04:51:49,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:51:49,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 04:51:49,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 04:51:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 04:51:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 322 [2020-10-27 04:51:49,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:49,398 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:51:49,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:51:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:49,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:49,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:49,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:51:49,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:49,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:51:49,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:49,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:49,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:49,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:49,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:49,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:51,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:51,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:51:51,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:51:51,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2344 [2020-10-27 04:51:51,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:51:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:51,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 04:51:51,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:51,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:51,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:51,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:51,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:52,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:51:52,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 492 [2020-10-27 04:51:52,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:51:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 04:51:52,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:52,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:51:52,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:52,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:51:52,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:51:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:52,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:51:52,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:51:52,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:52,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:51:52,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:51:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:51:52,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:51:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:51:52,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 04:51:52,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 04:51:52,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:51:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:52,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:52,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:52,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:51:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:52,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:52,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:52,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:52,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:51:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:52,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:52,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:52,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:51:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:51:52,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 04:51:52,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:52,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 04:51:52,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:51:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:52,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:52,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:52,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:52,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:52,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:52,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:52,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:51:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:51:52,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:52,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:52,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:51:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:51:52,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:51:52,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:52,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 04:51:52,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:51:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:52,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:52,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:52,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:52,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:51:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:52,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:52,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:52,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:51:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:52,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:52,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:52,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:52,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:51:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:52,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:51:52,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:51:52,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 04:51:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:51:52,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 04:51:52,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:51:52,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:51:52,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 04:51:52,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:52,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:51:52,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:51:52,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:51:52,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:51:52,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-27 04:51:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 04:51:52,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 04:51:52,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:51:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:51:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 04:51:52,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:52,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:51:52,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:51:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:51:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 04:51:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-27 04:51:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:51:52,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 04:51:52,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:51:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:51:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 04:51:52,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:52,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:51:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:52,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:52,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:52,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:52,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:52,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:52,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:51:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:51:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:51:52,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:53,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-27 04:51:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:53,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:53,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:53,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 04:51:53,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:53,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:51:53,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:53,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:53,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:53,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 04:51:53,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:53,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:51:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:53,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:53,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:53,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:53,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:53,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:53,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:53,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-27 04:51:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:53,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:53,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:53,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:51:53,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:53,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 04:51:53,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:51:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 04:51:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 04:51:53,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:53,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 04:51:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:53,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:53,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:53,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:51:53,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:53,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:51:53,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:53,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:51:53,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:53,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:51:53,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:53,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 04:51:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:53,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:53,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:53,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:53,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:53,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:51:53,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:51:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:51:53,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:53,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 04:51:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:53,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:53,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:53,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:51:53,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:53,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:51:53,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:53,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:53,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:53,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:51:53,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:53,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:51:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:51:53,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:51:53,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:51:53,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:51:53,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:51:53,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:51:53,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:51:53,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:51:53,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:51:53,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:51:53,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:51:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 20 proven. 140 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2020-10-27 04:51:53,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81795064] [2020-10-27 04:51:53,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:51:53,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 04:51:53,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178991578] [2020-10-27 04:51:53,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 04:51:53,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:51:53,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 04:51:53,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2020-10-27 04:51:53,342 INFO L87 Difference]: Start difference. First operand 996 states and 1219 transitions. Second operand 22 states. [2020-10-27 04:51:53,574 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 04:51:53,768 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:51:53,965 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:51:54,119 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:51:54,412 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 127 [2020-10-27 04:51:54,601 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-27 04:51:54,812 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-27 04:51:55,004 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:51:55,187 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:51:55,363 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:51:55,734 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 143 [2020-10-27 04:51:55,967 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 04:51:57,365 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:51:58,793 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:51:58,980 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:51:59,156 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:52:01,009 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:52:01,155 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:52:01,315 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 04:52:01,476 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 04:52:02,161 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 04:52:04,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:52:04,590 INFO L93 Difference]: Finished difference Result 1885 states and 2422 transitions. [2020-10-27 04:52:04,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-27 04:52:04,591 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 303 [2020-10-27 04:52:04,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:52:04,599 INFO L225 Difference]: With dead ends: 1885 [2020-10-27 04:52:04,599 INFO L226 Difference]: Without dead ends: 1534 [2020-10-27 04:52:04,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=696, Invalid=2844, Unknown=0, NotChecked=0, Total=3540 [2020-10-27 04:52:04,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2020-10-27 04:52:04,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1450. [2020-10-27 04:52:04,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1450 states. [2020-10-27 04:52:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 1846 transitions. [2020-10-27 04:52:04,756 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 1846 transitions. Word has length 303 [2020-10-27 04:52:04,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:52:04,757 INFO L481 AbstractCegarLoop]: Abstraction has 1450 states and 1846 transitions. [2020-10-27 04:52:04,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 04:52:04,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1846 transitions. [2020-10-27 04:52:04,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-27 04:52:04,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:52:04,761 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:52:04,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-27 04:52:04,762 INFO L429 AbstractCegarLoop]: === Iteration 28 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:52:04,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:52:04,762 INFO L82 PathProgramCache]: Analyzing trace with hash 727456498, now seen corresponding path program 1 times [2020-10-27 04:52:04,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:52:04,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138564825] [2020-10-27 04:52:04,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:52:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:04,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:04,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:05,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-10-27 04:52:06,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:52:06,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1204 [2020-10-27 04:52:06,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:06,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 262 [2020-10-27 04:52:06,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:52:06,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,156 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:52:06,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:52:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:52:06,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:52:06,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:52:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:52:06,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 04:52:06,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:52:06,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:06,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:06,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:06,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:52:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:06,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:06,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:52:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:06,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:06,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:52:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:52:06,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:06,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:52:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:06,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:06,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:52:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:06,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:06,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:52:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:06,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:06,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:52:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:52:06,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:06,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:52:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:06,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:06,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:52:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:06,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:06,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:52:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:06,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:06,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:52:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:52:06,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:06,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:52:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:06,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:06,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:52:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:06,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:06,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:52:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:06,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:06,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:52:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:06,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:06,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 04:52:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:52:06,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:52:06,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:06,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 04:52:06,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:06,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:06,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-27 04:52:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 04:52:06,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:52:06,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 04:52:06,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:06,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:06,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-27 04:52:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:52:06,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 04:52:06,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 04:52:06,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:06,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:06,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-27 04:52:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 04:52:06,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:52:06,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 04:52:06,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:06,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:06,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-27 04:52:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:52:06,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:52:06,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 04:52:06,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:06,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:52:06,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 04:52:06,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 04:52:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:06,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:06,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:06,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:52:06,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 04:52:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:06,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:52:06,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:52:06,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:06,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 04:52:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:06,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:06,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:06,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:52:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:06,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:06,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:06,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:06,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:06,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:06,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:06,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:06,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:06,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:52:06,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2020-10-27 04:52:06,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138564825] [2020-10-27 04:52:06,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:52:06,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 04:52:06,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744328567] [2020-10-27 04:52:06,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 04:52:06,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:52:06,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 04:52:06,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 04:52:06,825 INFO L87 Difference]: Start difference. First operand 1450 states and 1846 transitions. Second operand 11 states. [2020-10-27 04:52:06,985 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:52:07,838 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:52:10,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:52:10,799 INFO L93 Difference]: Finished difference Result 2942 states and 3905 transitions. [2020-10-27 04:52:10,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 04:52:10,800 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 303 [2020-10-27 04:52:10,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:52:10,812 INFO L225 Difference]: With dead ends: 2942 [2020-10-27 04:52:10,812 INFO L226 Difference]: Without dead ends: 2241 [2020-10-27 04:52:10,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-10-27 04:52:10,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2020-10-27 04:52:11,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2220. [2020-10-27 04:52:11,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2220 states. [2020-10-27 04:52:11,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 2888 transitions. [2020-10-27 04:52:11,055 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 2888 transitions. Word has length 303 [2020-10-27 04:52:11,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:52:11,055 INFO L481 AbstractCegarLoop]: Abstraction has 2220 states and 2888 transitions. [2020-10-27 04:52:11,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 04:52:11,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 2888 transitions. [2020-10-27 04:52:11,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-27 04:52:11,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:52:11,061 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:52:11,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-27 04:52:11,061 INFO L429 AbstractCegarLoop]: === Iteration 29 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:52:11,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:52:11,061 INFO L82 PathProgramCache]: Analyzing trace with hash 832668480, now seen corresponding path program 1 times [2020-10-27 04:52:11,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:52:11,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714321858] [2020-10-27 04:52:11,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:52:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:11,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:11,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:11,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 376 [2020-10-27 04:52:12,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:52:12,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1250 [2020-10-27 04:52:12,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:12,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 279 [2020-10-27 04:52:12,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 04:52:12,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,499 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:52:12,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:52:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:52:12,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:52:12,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:52:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:52:12,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 04:52:12,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:52:12,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:12,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:12,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:12,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:52:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:12,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:12,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:52:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:12,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:12,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:52:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:52:12,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:12,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:52:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:12,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:12,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:52:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:12,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:12,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:52:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:12,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:12,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:52:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:52:12,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:12,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:52:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:12,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:12,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:52:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:12,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:12,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:52:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:12,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:12,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:52:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:52:12,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:12,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:52:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:12,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:12,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:52:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:12,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:12,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:52:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:12,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:12,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:52:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:12,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:12,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 04:52:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:52:12,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:12,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:12,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:12,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-27 04:52:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 04:52:12,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:52:12,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:52:12,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:12,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:12,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-27 04:52:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:52:12,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:52:12,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 04:52:12,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:12,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:12,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:12,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:12,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-27 04:52:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:12,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:12,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:12,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 04:52:12,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:12,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:52:12,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:12,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:12,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:12,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 04:52:12,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:12,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:13,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:13,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:13,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:13,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:13,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:13,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:13,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:13,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-27 04:52:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:13,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:13,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:13,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:13,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 04:52:13,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:52:13,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 04:52:13,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 04:52:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 04:52:13,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:13,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:13,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:13,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:13,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:13,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:13,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:13,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:13,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:13,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:13,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:52:13,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:13,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:52:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:13,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:13,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:13,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:13,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:13,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:52:13,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:52:13,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:13,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:13,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:13,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:13,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:52:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:13,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:13,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:13,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:13,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:13,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:13,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:13,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:13,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 04:52:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:13,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:13,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:13,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:13,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:13,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:13,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:13,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:13,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:13,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:52:13,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:13,158 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2020-10-27 04:52:13,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714321858] [2020-10-27 04:52:13,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:52:13,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 04:52:13,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255709701] [2020-10-27 04:52:13,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 04:52:13,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:52:13,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 04:52:13,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 04:52:13,160 INFO L87 Difference]: Start difference. First operand 2220 states and 2888 transitions. Second operand 11 states. [2020-10-27 04:52:13,329 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:52:14,338 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:52:17,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:52:17,209 INFO L93 Difference]: Finished difference Result 4948 states and 6639 transitions. [2020-10-27 04:52:17,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 04:52:17,209 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 304 [2020-10-27 04:52:17,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:52:17,231 INFO L225 Difference]: With dead ends: 4948 [2020-10-27 04:52:17,232 INFO L226 Difference]: Without dead ends: 3660 [2020-10-27 04:52:17,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-10-27 04:52:17,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2020-10-27 04:52:17,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 3409. [2020-10-27 04:52:17,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3409 states. [2020-10-27 04:52:17,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 4562 transitions. [2020-10-27 04:52:17,578 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 4562 transitions. Word has length 304 [2020-10-27 04:52:17,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:52:17,579 INFO L481 AbstractCegarLoop]: Abstraction has 3409 states and 4562 transitions. [2020-10-27 04:52:17,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 04:52:17,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 4562 transitions. [2020-10-27 04:52:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-10-27 04:52:17,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:52:17,584 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:52:17,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-27 04:52:17,584 INFO L429 AbstractCegarLoop]: === Iteration 30 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:52:17,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:52:17,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1289094217, now seen corresponding path program 1 times [2020-10-27 04:52:17,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:52:17,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274784290] [2020-10-27 04:52:17,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:52:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:17,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:17,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:17,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 377 [2020-10-27 04:52:19,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:52:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1505 [2020-10-27 04:52:19,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 297 [2020-10-27 04:52:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 04:52:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,275 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:52:19,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:52:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:52:19,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:52:19,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:52:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:52:19,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 04:52:19,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:52:19,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:19,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:19,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:19,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:52:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:19,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:19,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:52:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:19,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:19,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:52:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:52:19,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:19,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:52:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:19,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:19,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:52:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:19,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:19,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:52:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:19,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:19,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:52:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:52:19,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:52:19,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:52:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:19,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:19,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:52:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:19,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:19,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:52:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:19,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:19,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:52:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:52:19,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:19,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:52:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:19,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:19,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:52:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:19,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:19,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:52:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:19,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:19,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:52:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:19,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:19,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 04:52:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:52:19,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:19,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:19,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:19,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-27 04:52:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 04:52:19,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:19,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:19,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:19,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-27 04:52:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:52:19,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:52:19,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:19,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 04:52:19,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:19,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:19,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-27 04:52:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 04:52:19,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:52:19,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:19,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 04:52:19,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:19,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:19,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:19,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-27 04:52:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-27 04:52:19,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:52:19,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 04:52:19,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:19,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 04:52:19,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 04:52:19,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:52:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:19,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:19,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:52:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:52:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:19,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:52:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:52:19,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:19,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 04:52:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:19,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:19,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:19,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 95 [2020-10-27 04:52:19,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 04:52:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:19,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:19,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:19,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:19,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:19,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:19,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:19,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:19,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:19,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:52:19,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:19,944 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2020-10-27 04:52:19,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274784290] [2020-10-27 04:52:19,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:52:19,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 04:52:19,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414399848] [2020-10-27 04:52:19,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 04:52:19,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:52:19,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 04:52:19,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 04:52:19,945 INFO L87 Difference]: Start difference. First operand 3409 states and 4562 transitions. Second operand 11 states. [2020-10-27 04:52:20,109 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:52:21,384 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:52:24,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:52:24,563 INFO L93 Difference]: Finished difference Result 8464 states and 11517 transitions. [2020-10-27 04:52:24,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 04:52:24,563 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 305 [2020-10-27 04:52:24,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:52:24,594 INFO L225 Difference]: With dead ends: 8464 [2020-10-27 04:52:24,595 INFO L226 Difference]: Without dead ends: 6021 [2020-10-27 04:52:24,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-10-27 04:52:24,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6021 states. [2020-10-27 04:52:25,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6021 to 6002. [2020-10-27 04:52:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6002 states. [2020-10-27 04:52:25,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6002 states to 6002 states and 8124 transitions. [2020-10-27 04:52:25,172 INFO L78 Accepts]: Start accepts. Automaton has 6002 states and 8124 transitions. Word has length 305 [2020-10-27 04:52:25,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:52:25,173 INFO L481 AbstractCegarLoop]: Abstraction has 6002 states and 8124 transitions. [2020-10-27 04:52:25,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 04:52:25,173 INFO L276 IsEmpty]: Start isEmpty. Operand 6002 states and 8124 transitions. [2020-10-27 04:52:25,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-10-27 04:52:25,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:52:25,181 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:52:25,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-27 04:52:25,181 INFO L429 AbstractCegarLoop]: === Iteration 31 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:52:25,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:52:25,181 INFO L82 PathProgramCache]: Analyzing trace with hash -865447495, now seen corresponding path program 1 times [2020-10-27 04:52:25,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:52:25,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15400846] [2020-10-27 04:52:25,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:52:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:25,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:25,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:25,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 377 [2020-10-27 04:52:27,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:52:27,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2157 [2020-10-27 04:52:27,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:52:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 324 [2020-10-27 04:52:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:52:27,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,525 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:52:27,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:52:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:52:27,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:52:27,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:52:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:52:27,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 04:52:27,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:52:27,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:27,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:27,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:27,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:52:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:27,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:27,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:52:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:27,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:27,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:52:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:52:27,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:27,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:52:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:27,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:27,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:52:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:27,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:27,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:52:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:27,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:27,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:52:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:52:27,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:27,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:52:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:27,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:27,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:52:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:27,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:27,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:52:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:27,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:27,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:52:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:52:27,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:27,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:52:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:27,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:27,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:52:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:27,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:27,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:52:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:27,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:27,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:52:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:27,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:27,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 04:52:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:52:27,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:27,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:27,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:27,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-27 04:52:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 04:52:27,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:27,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:27,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:27,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-27 04:52:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:52:27,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:27,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:27,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:27,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-27 04:52:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 04:52:27,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:27,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:27,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:27,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:27,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:27,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:27,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:27,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-27 04:52:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:27,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:27,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:28,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:28,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-27 04:52:28,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:52:28,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 04:52:28,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:52:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 04:52:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:52:28,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:28,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:52:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:28,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:28,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:28,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:28,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:28,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:28,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:52:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:52:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:52:28,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:28,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:52:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:28,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:28,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:28,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:28,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:28,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:52:28,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:52:28,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:52:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:52:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:28,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:28,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 04:52:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:28,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:28,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:28,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:28,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:28,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:28,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:28,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:28,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:52:28,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:28,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:28,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 04:52:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:28,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:28,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:28,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:28,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:28,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:28,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 04:52:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:28,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2020-10-27 04:52:28,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15400846] [2020-10-27 04:52:28,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:52:28,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 04:52:28,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315910295] [2020-10-27 04:52:28,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 04:52:28,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:52:28,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 04:52:28,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 04:52:28,270 INFO L87 Difference]: Start difference. First operand 6002 states and 8124 transitions. Second operand 14 states. [2020-10-27 04:52:28,482 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 04:52:28,641 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 04:52:29,252 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 04:52:29,410 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 04:52:30,519 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:52:30,754 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:52:31,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:52:31,876 INFO L93 Difference]: Finished difference Result 9262 states and 12459 transitions. [2020-10-27 04:52:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 04:52:31,877 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 305 [2020-10-27 04:52:31,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:52:31,892 INFO L225 Difference]: With dead ends: 9262 [2020-10-27 04:52:31,893 INFO L226 Difference]: Without dead ends: 3963 [2020-10-27 04:52:31,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2020-10-27 04:52:31,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3963 states. [2020-10-27 04:52:32,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3963 to 3963. [2020-10-27 04:52:32,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3963 states. [2020-10-27 04:52:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3963 states to 3963 states and 5026 transitions. [2020-10-27 04:52:32,236 INFO L78 Accepts]: Start accepts. Automaton has 3963 states and 5026 transitions. Word has length 305 [2020-10-27 04:52:32,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:52:32,236 INFO L481 AbstractCegarLoop]: Abstraction has 3963 states and 5026 transitions. [2020-10-27 04:52:32,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 04:52:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 3963 states and 5026 transitions. [2020-10-27 04:52:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-10-27 04:52:32,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:52:32,242 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:52:32,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-27 04:52:32,242 INFO L429 AbstractCegarLoop]: === Iteration 32 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:52:32,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:52:32,242 INFO L82 PathProgramCache]: Analyzing trace with hash -790326181, now seen corresponding path program 1 times [2020-10-27 04:52:32,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:52:32,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726439763] [2020-10-27 04:52:32,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:52:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:32,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:32,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:32,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:32,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:32,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:33,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:34,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:37,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:37,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 386 [2020-10-27 04:52:37,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:52:37,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 04:52:37,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:37,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:52:37,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 04:52:37,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:52:37,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:37,407 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:52:37,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:52:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:37,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:37,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:37,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:52:37,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:37,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:52:37,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:37,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:37,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:37,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:37,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:52:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:37,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:37,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:37,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:37,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:37,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:37,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-27 04:52:38,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:52:38,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 908 [2020-10-27 04:52:38,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:52:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 04:52:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:52:38,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 04:52:38,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:52:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-27 04:52:38,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:52:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:52:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:52:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:38,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:52:38,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:38,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:52:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:52:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:38,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 04:52:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:38,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:52:38,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:38,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:52:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:52:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:38,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 04:52:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:38,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:52:38,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:52:38,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:52:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:52:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 04:52:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:52:38,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:52:38,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 04:52:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:52:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:38,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:38,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:52:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:38,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:38,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:52:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:38,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:38,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 04:52:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:52:38,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:52:38,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 04:52:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:52:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:38,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:38,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:52:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:38,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:38,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:52:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:38,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:38,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 04:52:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:52:38,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:38,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 04:52:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:52:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:38,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:38,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:52:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:38,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:38,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:52:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:38,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:38,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-27 04:52:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:38,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:38,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:52:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-27 04:52:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:52:38,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:52:38,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 04:52:38,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:38,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:38,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:52:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:38,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:38,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-27 04:52:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 04:52:38,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:38,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 04:52:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:38,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:38,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-27 04:52:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:52:38,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:38,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 04:52:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:38,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:38,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-27 04:52:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 04:52:38,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:38,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 04:52:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:38,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:38,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:38,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:38,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:38,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:38,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:38,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-10-27 04:52:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:38,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:39,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:39,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:52:39,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:39,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:52:39,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-27 04:52:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:39,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:39,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 04:52:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:39,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:39,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:39,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:39,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:39,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:39,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:39,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:39,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:39,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:39,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 04:52:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:39,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:39,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:39,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:39,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:39,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:39,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:39,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:39,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 04:52:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:39,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:39,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:39,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:39,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:39,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:39,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:39,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:39,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:39,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:39,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:39,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:52:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:39,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:39,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:39,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:39,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:39,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:39,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:39,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:39,181 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 9 proven. 169 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2020-10-27 04:52:39,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1726439763] [2020-10-27 04:52:39,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:52:39,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 04:52:39,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921313764] [2020-10-27 04:52:39,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 04:52:39,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:52:39,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 04:52:39,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-27 04:52:39,183 INFO L87 Difference]: Start difference. First operand 3963 states and 5026 transitions. Second operand 14 states. [2020-10-27 04:52:39,404 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:52:39,556 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 04:52:39,704 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:52:41,249 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:52:42,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:52:42,143 INFO L93 Difference]: Finished difference Result 7521 states and 9568 transitions. [2020-10-27 04:52:42,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 04:52:42,144 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 312 [2020-10-27 04:52:42,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:52:42,157 INFO L225 Difference]: With dead ends: 7521 [2020-10-27 04:52:42,158 INFO L226 Difference]: Without dead ends: 3552 [2020-10-27 04:52:42,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2020-10-27 04:52:42,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3552 states. [2020-10-27 04:52:42,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3552 to 3552. [2020-10-27 04:52:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3552 states. [2020-10-27 04:52:42,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3552 states and 4519 transitions. [2020-10-27 04:52:42,613 INFO L78 Accepts]: Start accepts. Automaton has 3552 states and 4519 transitions. Word has length 312 [2020-10-27 04:52:42,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:52:42,614 INFO L481 AbstractCegarLoop]: Abstraction has 3552 states and 4519 transitions. [2020-10-27 04:52:42,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 04:52:42,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3552 states and 4519 transitions. [2020-10-27 04:52:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-27 04:52:42,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:52:42,617 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 9, 7, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:52:42,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-27 04:52:42,617 INFO L429 AbstractCegarLoop]: === Iteration 33 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:52:42,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:52:42,617 INFO L82 PathProgramCache]: Analyzing trace with hash 339455112, now seen corresponding path program 1 times [2020-10-27 04:52:42,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:52:42,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [770251945] [2020-10-27 04:52:42,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:52:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:42,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:42,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:42,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:42,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:47,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:47,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 395 [2020-10-27 04:52:47,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:52:47,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 04:52:47,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:47,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 04:52:47,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 04:52:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 293 [2020-10-27 04:52:47,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:47,824 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:52:47,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:52:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:47,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:47,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:47,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:52:47,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:47,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:47,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:47,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:47,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:47,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:47,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:52:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:47,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:47,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:47,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:49,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:49,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:52:49,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:52:49,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1750 [2020-10-27 04:52:49,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:49,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:52:49,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:49,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 04:52:49,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:49,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:49,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:49,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:49,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:52:49,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:49,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:49,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:49,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:49,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:49,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:49,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:49,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:49,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:49,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:49,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:49,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:49,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:49,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:49,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:49,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:52:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:49,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:49,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:49,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:49,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:49,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:49,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:49,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:49,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:49,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:49,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:49,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:52:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:49,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:49,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:49,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:49,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:49,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:49,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:49,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:49,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:52:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:49,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:49,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:49,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:49,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:49,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:52:49,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:52:49,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-27 04:52:49,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:52:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 04:52:49,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:52:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:50,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:50,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:52:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:50,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:50,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:50,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:52:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:50,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:52:50,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:52:50,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:50,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:52:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:52:50,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:52:50,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 04:52:50,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:52:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:50,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:50,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:50,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:52:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:50,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:50,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:50,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:50,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:52:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:50,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:50,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:50,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:50,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:52:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:52:50,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:52:50,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:50,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 04:52:50,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:52:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:50,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:50,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:50,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:50,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:52:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:50,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:50,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:50,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:52:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:50,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:52:50,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:50,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:50,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:52:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:50,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:50,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:50,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:52:50,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 04:52:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:52:50,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 04:52:50,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:52:50,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:52:50,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:52:50,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:50,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:52:50,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:52:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:52:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:52:50,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:52:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:50,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:50,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:50,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:52:50,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-27 04:52:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 04:52:50,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 04:52:50,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:52:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:52:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 04:52:50,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:50,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:52:50,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:52:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:52:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 04:52:50,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-27 04:52:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:52:50,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 04:52:50,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:52:50,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:52:50,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 04:52:50,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:52:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:50,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:52:50,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:52:50,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:52:50,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:52:50,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-27 04:52:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 04:52:50,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:52:50,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 04:52:50,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:52:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:50,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:50,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:50,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:50,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-27 04:52:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:52:50,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 04:52:50,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:52:50,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 04:52:50,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 04:52:50,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 04:52:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:52:50,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:50,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:50,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:50,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 04:52:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:50,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:52:50,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:52:50,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:52:50,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 04:52:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:52:50,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:52:50,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:52:50,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:50,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 04:52:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:52:50,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:50,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:52:50,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:52:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:52:50,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:52:50,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:52:50,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:52:50,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:52:50,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:52:50,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:52:50,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:52:50,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:52:50,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:52:50,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:52:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 65 proven. 120 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2020-10-27 04:52:50,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [770251945] [2020-10-27 04:52:50,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:52:50,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 04:52:50,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046356418] [2020-10-27 04:52:50,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 04:52:50,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:52:50,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 04:52:50,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2020-10-27 04:52:50,996 INFO L87 Difference]: Start difference. First operand 3552 states and 4519 transitions. Second operand 22 states. [2020-10-27 04:52:51,228 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 04:52:51,415 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:52:51,810 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:52:52,165 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2020-10-27 04:52:52,352 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 04:52:52,541 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-27 04:52:52,740 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:52:52,936 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 04:52:53,346 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 144 [2020-10-27 04:52:53,615 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:52:54,916 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:52:56,277 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 04:52:56,464 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 04:52:56,781 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 132 [2020-10-27 04:52:58,891 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:52:59,078 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:52:59,256 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 04:52:59,444 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 04:52:59,623 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 04:53:01,246 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:53:03,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:53:03,075 INFO L93 Difference]: Finished difference Result 8510 states and 10917 transitions. [2020-10-27 04:53:03,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-27 04:53:03,076 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 319 [2020-10-27 04:53:03,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:53:03,098 INFO L225 Difference]: With dead ends: 8510 [2020-10-27 04:53:03,098 INFO L226 Difference]: Without dead ends: 5486 [2020-10-27 04:53:03,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 74 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=736, Invalid=3170, Unknown=0, NotChecked=0, Total=3906 [2020-10-27 04:53:03,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5486 states. [2020-10-27 04:53:03,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5486 to 4885. [2020-10-27 04:53:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4885 states. [2020-10-27 04:53:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 6234 transitions. [2020-10-27 04:53:03,625 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 6234 transitions. Word has length 319 [2020-10-27 04:53:03,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:53:03,625 INFO L481 AbstractCegarLoop]: Abstraction has 4885 states and 6234 transitions. [2020-10-27 04:53:03,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 04:53:03,625 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 6234 transitions. [2020-10-27 04:53:03,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-27 04:53:03,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:53:03,628 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 04:53:03,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-27 04:53:03,628 INFO L429 AbstractCegarLoop]: === Iteration 34 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:53:03,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:53:03,628 INFO L82 PathProgramCache]: Analyzing trace with hash -317484450, now seen corresponding path program 1 times [2020-10-27 04:53:03,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:53:03,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007479761] [2020-10-27 04:53:03,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:53:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:03,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:03,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:03,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:04,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:08,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:08,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 408 [2020-10-27 04:53:08,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:53:08,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 04:53:08,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:08,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 04:53:08,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-27 04:53:08,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-27 04:53:08,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:08,840 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:53:08,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:53:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:08,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:08,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:08,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:53:08,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:08,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:53:08,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:08,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:08,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:08,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:08,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:08,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:53:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:08,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:08,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:08,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:11,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:11,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 04:53:11,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:53:11,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2443 [2020-10-27 04:53:11,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:53:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 04:53:11,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:11,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:53:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:11,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:11,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:11,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 04:53:11,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:11,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:53:11,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:11,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:11,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:11,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:53:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:11,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:11,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:11,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:53:11,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:11,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:53:11,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:11,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:11,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:11,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:11,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:11,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:53:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:11,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:11,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:11,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:53:11,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:11,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:53:11,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:11,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:11,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:11,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:11,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:11,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:53:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:11,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:11,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:11,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:53:11,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:11,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:53:11,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:11,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:11,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:53:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:11,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:11,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:11,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 04:53:11,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:11,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:53:11,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:11,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:11,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:11,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:11,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:11,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 04:53:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:11,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:11,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:11,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:53:11,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:11,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:53:11,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:11,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:11,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:53:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:11,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:11,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:11,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:53:11,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:11,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:53:11,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:11,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:11,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:11,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:11,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:11,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 04:53:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:11,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:11,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:11,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:53:11,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:11,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:53:11,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:11,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:11,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:11,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:11,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:11,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:53:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:11,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:11,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:11,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:53:12,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:53:12,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 640 [2020-10-27 04:53:12,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:53:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 04:53:12,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 04:53:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:53:12,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:53:12,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:53:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:53:12,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:53:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:53:12,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:53:12,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:53:12,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:53:12,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:53:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:53:12,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 04:53:12,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:53:12,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:53:12,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 04:53:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 04:53:12,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:53:12,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:53:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 04:53:12,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:53:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:53:12,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:53:12,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:12,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:53:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:53:12,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:53:12,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:12,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:53:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:53:12,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:53:12,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:12,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:12,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 04:53:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:53:12,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:53:12,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:53:12,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:53:12,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-27 04:53:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:53:12,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 04:53:12,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:53:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:53:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:53:12,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:53:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:53:12,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:53:12,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:53:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:53:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:53:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 04:53:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:53:12,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:53:12,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:53:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:53:12,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-27 04:53:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 04:53:12,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 04:53:12,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:53:12,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:53:12,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 04:53:12,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:53:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:53:12,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:53:12,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:53:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:53:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 04:53:12,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-27 04:53:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 04:53:12,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 04:53:12,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:53:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:53:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 04:53:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 04:53:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:53:12,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:53:12,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:53:12,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:53:12,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:53:12,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-27 04:53:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 04:53:12,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:53:12,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:53:12,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 04:53:12,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:53:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:53:12,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:53:12,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:12,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-27 04:53:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 04:53:12,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 04:53:12,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:53:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 04:53:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 04:53:12,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 04:53:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:53:12,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:53:12,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:12,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 04:53:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:53:12,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:53:12,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:12,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:12,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 04:53:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:53:12,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:53:12,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:53:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:53:12,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 04:53:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 04:53:12,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:53:12,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:53:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:53:12,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:53:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:53:12,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:53:12,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:53:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:53:12,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 04:53:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:53:12,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:53:12,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:53:12,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:53:12,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:53:12,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:53:12,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:53:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:53:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:53:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:53:12,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:53:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 117 proven. 87 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2020-10-27 04:53:12,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007479761] [2020-10-27 04:53:12,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:53:12,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 04:53:12,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232946561] [2020-10-27 04:53:12,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 04:53:12,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:53:12,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 04:53:12,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2020-10-27 04:53:12,914 INFO L87 Difference]: Start difference. First operand 4885 states and 6234 transitions. Second operand 21 states. [2020-10-27 04:53:13,151 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 04:53:13,337 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:53:13,881 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:53:14,190 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 127 [2020-10-27 04:53:14,376 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-27 04:53:14,574 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-27 04:53:14,778 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:53:14,983 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:53:15,375 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 143 [2020-10-27 04:53:15,645 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 04:53:17,107 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:53:18,073 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:53:18,264 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:53:18,446 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 04:53:20,719 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:53:20,881 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:53:21,029 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:53:21,208 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 04:53:21,383 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 130