/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 23:19:07,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 23:19:07,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 23:19:07,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 23:19:07,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 23:19:07,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 23:19:07,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 23:19:07,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 23:19:07,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 23:19:07,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 23:19:07,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 23:19:07,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 23:19:07,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 23:19:07,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 23:19:07,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 23:19:07,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 23:19:07,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 23:19:07,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 23:19:07,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 23:19:07,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 23:19:07,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 23:19:07,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 23:19:07,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 23:19:07,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 23:19:07,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 23:19:07,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 23:19:07,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 23:19:07,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 23:19:07,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 23:19:07,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 23:19:07,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 23:19:07,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 23:19:07,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 23:19:07,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 23:19:07,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 23:19:07,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 23:19:07,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 23:19:07,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 23:19:07,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 23:19:07,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 23:19:07,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 23:19:07,285 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 23:19:07,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 23:19:07,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 23:19:07,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 23:19:07,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 23:19:07,343 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 23:19:07,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 23:19:07,343 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 23:19:07,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 23:19:07,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 23:19:07,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 23:19:07,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 23:19:07,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 23:19:07,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 23:19:07,346 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 23:19:07,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 23:19:07,346 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 23:19:07,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 23:19:07,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 23:19:07,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 23:19:07,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 23:19:07,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 23:19:07,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 23:19:07,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 23:19:07,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 23:19:07,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 23:19:07,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 23:19:07,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 23:19:07,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 23:19:07,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 23:19:07,349 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 23:19:07,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 23:19:07,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 23:19:07,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 23:19:07,842 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 23:19:07,843 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 23:19:07,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2020-10-27 23:19:07,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faeb6d3d1/dff4a9be140b4fbcb61eeea684ddf964/FLAGb495a1d5f [2020-10-27 23:19:08,646 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 23:19:08,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2020-10-27 23:19:08,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faeb6d3d1/dff4a9be140b4fbcb61eeea684ddf964/FLAGb495a1d5f [2020-10-27 23:19:08,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faeb6d3d1/dff4a9be140b4fbcb61eeea684ddf964 [2020-10-27 23:19:08,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 23:19:08,963 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 23:19:08,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 23:19:08,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 23:19:08,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 23:19:08,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 11:19:08" (1/1) ... [2020-10-27 23:19:08,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d17016c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:08, skipping insertion in model container [2020-10-27 23:19:08,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 11:19:08" (1/1) ... [2020-10-27 23:19:08,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 23:19:09,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 23:19:09,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 23:19:09,350 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 23:19:09,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 23:19:09,488 INFO L208 MainTranslator]: Completed translation [2020-10-27 23:19:09,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:09 WrapperNode [2020-10-27 23:19:09,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 23:19:09,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 23:19:09,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 23:19:09,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 23:19:09,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:09" (1/1) ... [2020-10-27 23:19:09,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:09" (1/1) ... [2020-10-27 23:19:09,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:09" (1/1) ... [2020-10-27 23:19:09,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:09" (1/1) ... [2020-10-27 23:19:09,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:09" (1/1) ... [2020-10-27 23:19:09,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:09" (1/1) ... [2020-10-27 23:19:09,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:09" (1/1) ... [2020-10-27 23:19:09,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 23:19:09,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 23:19:09,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 23:19:09,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 23:19:09,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:09" (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 23:19:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 23:19:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 23:19:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 23:19:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2020-10-27 23:19:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2020-10-27 23:19:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2020-10-27 23:19:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2020-10-27 23:19:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2020-10-27 23:19:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 23:19:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-27 23:19:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2020-10-27 23:19:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2020-10-27 23:19:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2020-10-27 23:19:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2020-10-27 23:19:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 23:19:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-27 23:19:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 23:19:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 23:19:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 23:19:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 23:19:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 23:19:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 23:19:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-27 23:19:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-27 23:19:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-27 23:19:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2020-10-27 23:19:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2020-10-27 23:19:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2020-10-27 23:19:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2020-10-27 23:19:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2020-10-27 23:19:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 23:19:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-27 23:19:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2020-10-27 23:19:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2020-10-27 23:19:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2020-10-27 23:19:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2020-10-27 23:19:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 23:19:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 23:19:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 23:19:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 23:19:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 23:19:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 23:19:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 23:19:10,838 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 23:19:10,839 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 23:19:10,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 11:19:10 BoogieIcfgContainer [2020-10-27 23:19:10,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 23:19:10,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 23:19:10,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 23:19:10,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 23:19:10,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 11:19:08" (1/3) ... [2020-10-27 23:19:10,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14507c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 11:19:10, skipping insertion in model container [2020-10-27 23:19:10,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:09" (2/3) ... [2020-10-27 23:19:10,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14507c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 11:19:10, skipping insertion in model container [2020-10-27 23:19:10,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 11:19:10" (3/3) ... [2020-10-27 23:19:10,851 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2020-10-27 23:19:10,865 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 23:19:10,873 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 23:19:10,908 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 23:19:10,984 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 23:19:10,985 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 23:19:10,985 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 23:19:10,985 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 23:19:10,986 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 23:19:10,986 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 23:19:10,987 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 23:19:10,988 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 23:19:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-10-27 23:19:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-27 23:19:11,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:11,075 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 23:19:11,075 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:11,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:11,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1289250856, now seen corresponding path program 1 times [2020-10-27 23:19:11,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:11,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528410142] [2020-10-27 23:19:11,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:11,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:11,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:11,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 23:19:11,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:11,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 450 [2020-10-27 23:19:11,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:11,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:11,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:19:11,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:11,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 23:19:12,301 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:12,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:12,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:12,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:12,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:12,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:12,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 23:19:12,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:12,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:19:12,381 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 23:19:12,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528410142] [2020-10-27 23:19:12,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:12,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:12,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439617087] [2020-10-27 23:19:12,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:12,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:12,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:12,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:12,410 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 5 states. [2020-10-27 23:19:12,874 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:13,220 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 23:19:13,412 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:19:14,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:14,868 INFO L93 Difference]: Finished difference Result 432 states and 705 transitions. [2020-10-27 23:19:14,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 23:19:14,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-27 23:19:14,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:14,886 INFO L225 Difference]: With dead ends: 432 [2020-10-27 23:19:14,886 INFO L226 Difference]: Without dead ends: 220 [2020-10-27 23:19:14,895 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 23:19:14,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-10-27 23:19:15,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 214. [2020-10-27 23:19:15,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-27 23:19:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 317 transitions. [2020-10-27 23:19:15,025 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 317 transitions. Word has length 22 [2020-10-27 23:19:15,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:15,027 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 317 transitions. [2020-10-27 23:19:15,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:15,028 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 317 transitions. [2020-10-27 23:19:15,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-27 23:19:15,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:15,032 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 23:19:15,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 23:19:15,033 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:15,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:15,034 INFO L82 PathProgramCache]: Analyzing trace with hash 798283855, now seen corresponding path program 1 times [2020-10-27 23:19:15,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:15,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823774490] [2020-10-27 23:19:15,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:15,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:15,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:15,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:15,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:15,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 23:19:15,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:15,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 692 [2020-10-27 23:19:15,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:15,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:15,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 23:19:15,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:15,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:19:15,968 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:15,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:15,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:15,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:15,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:15,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:15,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:19:15,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:15,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:15,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:15,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:15,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:19:16,017 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 23:19:16,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823774490] [2020-10-27 23:19:16,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:16,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:16,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454131068] [2020-10-27 23:19:16,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:16,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:16,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:16,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:16,034 INFO L87 Difference]: Start difference. First operand 214 states and 317 transitions. Second operand 5 states. [2020-10-27 23:19:16,268 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:16,415 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:19:16,666 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:17,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:17,863 INFO L93 Difference]: Finished difference Result 432 states and 652 transitions. [2020-10-27 23:19:17,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 23:19:17,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-27 23:19:17,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:17,870 INFO L225 Difference]: With dead ends: 432 [2020-10-27 23:19:17,870 INFO L226 Difference]: Without dead ends: 227 [2020-10-27 23:19:17,874 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 23:19:17,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-27 23:19:17,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2020-10-27 23:19:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-27 23:19:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 325 transitions. [2020-10-27 23:19:17,944 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 325 transitions. Word has length 23 [2020-10-27 23:19:17,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:17,945 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 325 transitions. [2020-10-27 23:19:17,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2020-10-27 23:19:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-27 23:19:17,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:17,956 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 23:19:17,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 23:19:17,957 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:17,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:17,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1553916192, now seen corresponding path program 1 times [2020-10-27 23:19:17,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:17,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359014518] [2020-10-27 23:19:17,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:18,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:18,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:18,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:18,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:18,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 23:19:18,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:18,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 560 [2020-10-27 23:19:18,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:18,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:18,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 23:19:18,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:18,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:18,712 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:18,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:18,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:18,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:18,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:18,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:18,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:19:18,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:18,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:18,742 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 23:19:18,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359014518] [2020-10-27 23:19:18,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:18,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:18,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829678374] [2020-10-27 23:19:18,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:18,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:18,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:18,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:18,745 INFO L87 Difference]: Start difference. First operand 221 states and 325 transitions. Second operand 5 states. [2020-10-27 23:19:19,015 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:19,202 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 23:19:20,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:20,283 INFO L93 Difference]: Finished difference Result 435 states and 658 transitions. [2020-10-27 23:19:20,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 23:19:20,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-27 23:19:20,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:20,289 INFO L225 Difference]: With dead ends: 435 [2020-10-27 23:19:20,290 INFO L226 Difference]: Without dead ends: 223 [2020-10-27 23:19:20,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 23:19:20,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-27 23:19:20,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 219. [2020-10-27 23:19:20,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-27 23:19:20,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 321 transitions. [2020-10-27 23:19:20,327 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 321 transitions. Word has length 23 [2020-10-27 23:19:20,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:20,327 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 321 transitions. [2020-10-27 23:19:20,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:20,328 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 321 transitions. [2020-10-27 23:19:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-27 23:19:20,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:20,329 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] [2020-10-27 23:19:20,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 23:19:20,329 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:20,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:20,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1701630399, now seen corresponding path program 1 times [2020-10-27 23:19:20,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:20,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732378711] [2020-10-27 23:19:20,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:20,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:20,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:20,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:20,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:20,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 23:19:20,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:20,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 426 [2020-10-27 23:19:20,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:20,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:20,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 23:19:20,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:19:20,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:20,921 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:20,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:20,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:20,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:20,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:20,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:20,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:19:20,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:20,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:20,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:20,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:20,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:20,949 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 23:19:20,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732378711] [2020-10-27 23:19:20,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:20,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:20,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350734491] [2020-10-27 23:19:20,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:20,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:20,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:20,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:20,952 INFO L87 Difference]: Start difference. First operand 219 states and 321 transitions. Second operand 5 states. [2020-10-27 23:19:21,162 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:22,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:22,359 INFO L93 Difference]: Finished difference Result 427 states and 635 transitions. [2020-10-27 23:19:22,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 23:19:22,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-27 23:19:22,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:22,363 INFO L225 Difference]: With dead ends: 427 [2020-10-27 23:19:22,363 INFO L226 Difference]: Without dead ends: 217 [2020-10-27 23:19:22,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 23:19:22,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-27 23:19:22,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 213. [2020-10-27 23:19:22,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-10-27 23:19:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 307 transitions. [2020-10-27 23:19:22,395 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 307 transitions. Word has length 24 [2020-10-27 23:19:22,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:22,396 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 307 transitions. [2020-10-27 23:19:22,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:22,396 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 307 transitions. [2020-10-27 23:19:22,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-27 23:19:22,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:22,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:19:22,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 23:19:22,398 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:22,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:22,398 INFO L82 PathProgramCache]: Analyzing trace with hash 591801717, now seen corresponding path program 1 times [2020-10-27 23:19:22,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:22,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82011982] [2020-10-27 23:19:22,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:22,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:22,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:22,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:22,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:26,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-27 23:19:26,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:19:26,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3807 [2020-10-27 23:19:26,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 23:19:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:26,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:26,416 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:26,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:26,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:26,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:26,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:26,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 23:19:26,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:26,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:26,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:26,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:26,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:26,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:26,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:26,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:26,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:26,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 23:19:26,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:26,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:19:26,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:19:26,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:26,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:26,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:26,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:26,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:26,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:26,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:19:26,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:26,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:19:26,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:19:26,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 23:19:26,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:26,593 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 23:19:26,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82011982] [2020-10-27 23:19:26,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:26,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 23:19:26,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901214292] [2020-10-27 23:19:26,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 23:19:26,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:26,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 23:19:26,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:26,596 INFO L87 Difference]: Start difference. First operand 213 states and 307 transitions. Second operand 8 states. [2020-10-27 23:19:26,751 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:27,272 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:27,400 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 23:19:28,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:28,534 INFO L93 Difference]: Finished difference Result 447 states and 658 transitions. [2020-10-27 23:19:28,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 23:19:28,535 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-10-27 23:19:28,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:28,538 INFO L225 Difference]: With dead ends: 447 [2020-10-27 23:19:28,538 INFO L226 Difference]: Without dead ends: 243 [2020-10-27 23:19:28,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:19:28,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-27 23:19:28,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 218. [2020-10-27 23:19:28,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-27 23:19:28,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 311 transitions. [2020-10-27 23:19:28,572 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 311 transitions. Word has length 34 [2020-10-27 23:19:28,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:28,573 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 311 transitions. [2020-10-27 23:19:28,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 23:19:28,573 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 311 transitions. [2020-10-27 23:19:28,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 23:19:28,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:28,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:19:28,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 23:19:28,576 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:28,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:28,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1135338941, now seen corresponding path program 1 times [2020-10-27 23:19:28,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:28,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [830631143] [2020-10-27 23:19:28,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:28,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:28,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:28,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:28,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:29,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:33,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 23:19:33,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:19:33,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 23:19:33,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-27 23:19:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:33,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:19:33,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:33,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:33,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:33,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:33,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 23:19:33,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:33,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:33,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:33,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:19:33,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:19:33,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-27 23:19:33,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:33,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:19:33,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:19:33,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:33,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:19:33,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:33,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:34,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:34,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:19:34,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:34,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 23:19:34,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:19:34,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 23:19:34,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:34,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 23:19:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:34,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:34,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:34,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:34,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:34,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:34,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:34,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:34,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:34,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:34,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:34,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:34,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:34,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:34,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:34,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:34,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:34,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:34,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:34,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:34,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:34,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:34,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:19:34,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [830631143] [2020-10-27 23:19:34,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:19:34,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 23:19:34,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60979042] [2020-10-27 23:19:34,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:19:34,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:34,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:19:34,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:19:34,176 INFO L87 Difference]: Start difference. First operand 218 states and 311 transitions. Second operand 11 states. [2020-10-27 23:19:34,368 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 23:19:34,540 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 23:19:35,123 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:19:35,384 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:35,528 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 23:19:36,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:36,975 INFO L93 Difference]: Finished difference Result 460 states and 657 transitions. [2020-10-27 23:19:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:19:36,978 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 52 [2020-10-27 23:19:36,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:36,984 INFO L225 Difference]: With dead ends: 460 [2020-10-27 23:19:36,984 INFO L226 Difference]: Without dead ends: 251 [2020-10-27 23:19:36,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2020-10-27 23:19:36,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-27 23:19:37,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 234. [2020-10-27 23:19:37,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 23:19:37,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 329 transitions. [2020-10-27 23:19:37,028 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 329 transitions. Word has length 52 [2020-10-27 23:19:37,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:37,031 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 329 transitions. [2020-10-27 23:19:37,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:19:37,031 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 329 transitions. [2020-10-27 23:19:37,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-27 23:19:37,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:37,034 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 23:19:37,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 23:19:37,034 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:37,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:37,036 INFO L82 PathProgramCache]: Analyzing trace with hash 422691966, now seen corresponding path program 1 times [2020-10-27 23:19:37,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:37,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790984667] [2020-10-27 23:19:37,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 23:19:37,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:37,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 615 [2020-10-27 23:19:37,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:37,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 23:19:37,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:19:37,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,882 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:37,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:37,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:37,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:19:37,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:37,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:37,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:37,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:37,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:37,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 23:19:37,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:37,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:37,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:37,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:19:37,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:37,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:37,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:37,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:37,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:19:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:37,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:37,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:19:37,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:37,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:38,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:38,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:38,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:38,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:38,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:38,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:38,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:38,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:38,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:38,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:38,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:38,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:19:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:38,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:38,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:38,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:38,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:38,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:19:38,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:38,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:38,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:38,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:38,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:38,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:38,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:38,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:38,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:38,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:38,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:38,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:38,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:38,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 23:19:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 23:19:38,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790984667] [2020-10-27 23:19:38,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:19:38,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 23:19:38,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364000389] [2020-10-27 23:19:38,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 23:19:38,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:38,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 23:19:38,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:38,119 INFO L87 Difference]: Start difference. First operand 234 states and 329 transitions. Second operand 8 states. [2020-10-27 23:19:38,661 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:38,797 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:19:39,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:39,653 INFO L93 Difference]: Finished difference Result 410 states and 578 transitions. [2020-10-27 23:19:39,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 23:19:39,654 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-10-27 23:19:39,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:39,659 INFO L225 Difference]: With dead ends: 410 [2020-10-27 23:19:39,660 INFO L226 Difference]: Without dead ends: 235 [2020-10-27 23:19:39,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 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 23:19:39,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-27 23:19:39,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2020-10-27 23:19:39,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-27 23:19:39,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 324 transitions. [2020-10-27 23:19:39,700 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 324 transitions. Word has length 67 [2020-10-27 23:19:39,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:39,700 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 324 transitions. [2020-10-27 23:19:39,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 23:19:39,701 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 324 transitions. [2020-10-27 23:19:39,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-27 23:19:39,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:39,703 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 23:19:39,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 23:19:39,703 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:39,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:39,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1878827498, now seen corresponding path program 1 times [2020-10-27 23:19:39,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:39,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490012559] [2020-10-27 23:19:39,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:39,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:39,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:40,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-27 23:19:40,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:40,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 569 [2020-10-27 23:19:40,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:40,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:40,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-27 23:19:40,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:40,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:40,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:40,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:40,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:40,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:40,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:19:40,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:40,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:40,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:40,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:40,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:40,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:40,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:40,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:40,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:40,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:40,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:40,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:40,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:40,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:40,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:40,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:40,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:19:40,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:40,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:40,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:40,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:40,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:40,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:40,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:40,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:40,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:40,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:40,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:40,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:40,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:40,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:40,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:40,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:19:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:40,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:40,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:40,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:40,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:19:40,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:40,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:40,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:40,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:40,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:40,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:40,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:40,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:40,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:40,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:40,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:40,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:19:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:40,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:40,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:40,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:40,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:19:40,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:40,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:40,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:40,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:40,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:40,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:40,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:40,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:40,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:40,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:40,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:40,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:40,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:19:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:40,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:40,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:40,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:40,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:19:40,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:40,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:40,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:40,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:40,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:40,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:40,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:19:40,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:40,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:40,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:40,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:40,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:40,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:40,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:40,750 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-27 23:19:40,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490012559] [2020-10-27 23:19:40,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:40,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 23:19:40,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994124511] [2020-10-27 23:19:40,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 23:19:40,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:40,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 23:19:40,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 23:19:40,753 INFO L87 Difference]: Start difference. First operand 233 states and 324 transitions. Second operand 9 states. [2020-10-27 23:19:41,476 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:41,627 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:19:42,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:42,413 INFO L93 Difference]: Finished difference Result 406 states and 566 transitions. [2020-10-27 23:19:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 23:19:42,417 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-10-27 23:19:42,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:42,420 INFO L225 Difference]: With dead ends: 406 [2020-10-27 23:19:42,423 INFO L226 Difference]: Without dead ends: 232 [2020-10-27 23:19:42,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 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 23:19:42,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-10-27 23:19:42,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2020-10-27 23:19:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-10-27 23:19:42,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 321 transitions. [2020-10-27 23:19:42,455 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 321 transitions. Word has length 80 [2020-10-27 23:19:42,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:42,455 INFO L481 AbstractCegarLoop]: Abstraction has 232 states and 321 transitions. [2020-10-27 23:19:42,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 23:19:42,456 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 321 transitions. [2020-10-27 23:19:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-27 23:19:42,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:42,457 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 23:19:42,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 23:19:42,458 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:42,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:42,458 INFO L82 PathProgramCache]: Analyzing trace with hash -897929262, now seen corresponding path program 1 times [2020-10-27 23:19:42,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:42,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [114488573] [2020-10-27 23:19:42,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:42,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:42,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:42,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:43,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:43,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:43,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-27 23:19:46,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:19:46,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3949 [2020-10-27 23:19:46,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:46,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-27 23:19:46,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:46,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,626 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:46,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:46,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:19:46,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:46,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:19:46,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:46,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:19:46,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:46,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:46,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:19:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:46,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:46,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:46,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:46,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:19:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:46,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:46,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:46,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:46,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:19:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:46,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:46,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:19:46,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:46,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,925 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-27 23:19:46,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [114488573] [2020-10-27 23:19:46,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:46,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 23:19:46,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787135860] [2020-10-27 23:19:46,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 23:19:46,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:46,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 23:19:46,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 23:19:46,928 INFO L87 Difference]: Start difference. First operand 232 states and 321 transitions. Second operand 9 states. [2020-10-27 23:19:47,062 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:19:47,785 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:19:47,982 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:50,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:50,028 INFO L93 Difference]: Finished difference Result 731 states and 1010 transitions. [2020-10-27 23:19:50,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 23:19:50,029 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-10-27 23:19:50,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:50,035 INFO L225 Difference]: With dead ends: 731 [2020-10-27 23:19:50,036 INFO L226 Difference]: Without dead ends: 558 [2020-10-27 23:19:50,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=191, Invalid=409, Unknown=0, NotChecked=0, Total=600 [2020-10-27 23:19:50,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-10-27 23:19:50,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 418. [2020-10-27 23:19:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-10-27 23:19:50,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 587 transitions. [2020-10-27 23:19:50,099 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 587 transitions. Word has length 82 [2020-10-27 23:19:50,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:50,099 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 587 transitions. [2020-10-27 23:19:50,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 23:19:50,100 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 587 transitions. [2020-10-27 23:19:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 23:19:50,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:50,103 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:19:50,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 23:19:50,103 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:50,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:50,104 INFO L82 PathProgramCache]: Analyzing trace with hash 748899460, now seen corresponding path program 1 times [2020-10-27 23:19:50,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:50,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416260294] [2020-10-27 23:19:50,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:50,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:50,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:50,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:50,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-27 23:19:55,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:19:55,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 23:19:55,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:55,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-27 23:19:55,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:55,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,268 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:55,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:55,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:19:55,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:55,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:55,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:19:55,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:55,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:55,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:55,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:55,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:55,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:19:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:55,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:55,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:55,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:55,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:55,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:55,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:19:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:55,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:55,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:55,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:55,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:55,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:19:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:55,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:19:55,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:19:55,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:55,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:55,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:19:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:19:55,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:55,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:19:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:55,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:55,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:55,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:19:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 23:19:55,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:55,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 23:19:55,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:19:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:55,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:55,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:55,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:55,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:55,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:19:55,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:19:55,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 23:19:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:55,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:55,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:55,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:19:55,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:19:55,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 23:19:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:55,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:55,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:55,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:55,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:55,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:55,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:55,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:55,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:19:55,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:55,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 23:19:55,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416260294] [2020-10-27 23:19:55,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:19:55,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 23:19:55,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011339179] [2020-10-27 23:19:55,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 23:19:55,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:55,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 23:19:55,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 23:19:55,743 INFO L87 Difference]: Start difference. First operand 418 states and 587 transitions. Second operand 13 states. [2020-10-27 23:19:56,057 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:19:56,319 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:19:57,486 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:57,688 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:58,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:58,386 INFO L93 Difference]: Finished difference Result 873 states and 1240 transitions. [2020-10-27 23:19:58,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 23:19:58,387 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 117 [2020-10-27 23:19:58,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:58,391 INFO L225 Difference]: With dead ends: 873 [2020-10-27 23:19:58,391 INFO L226 Difference]: Without dead ends: 454 [2020-10-27 23:19:58,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2020-10-27 23:19:58,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-10-27 23:19:58,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2020-10-27 23:19:58,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-10-27 23:19:58,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 617 transitions. [2020-10-27 23:19:58,448 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 617 transitions. Word has length 117 [2020-10-27 23:19:58,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:58,449 INFO L481 AbstractCegarLoop]: Abstraction has 454 states and 617 transitions. [2020-10-27 23:19:58,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 23:19:58,449 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 617 transitions. [2020-10-27 23:19:58,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-27 23:19:58,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:58,452 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:19:58,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 23:19:58,453 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:58,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:58,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1775813338, now seen corresponding path program 1 times [2020-10-27 23:19:58,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:58,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241092146] [2020-10-27 23:19:58,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:58,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:58,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:58,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-27 23:20:00,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:20:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1694 [2020-10-27 23:20:00,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 23:20:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-27 23:20:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:00,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:00,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:00,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:00,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:00,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:00,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:00,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:00,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:00,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:00,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:00,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:00,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:00,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:00,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:00,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:00,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:00,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:00,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:00,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:00,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:00,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:00,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:00,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:00,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:00,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:20:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 23:20:00,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 23:20:00,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:00,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 23:20:00,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:00,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:00,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:20:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:00,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:00,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 23:20:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:00,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:00,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:00,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:00,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:00,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:00,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 23:20:00,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241092146] [2020-10-27 23:20:00,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:00,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:20:00,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85597442] [2020-10-27 23:20:00,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:20:00,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:00,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:20:00,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:20:00,745 INFO L87 Difference]: Start difference. First operand 454 states and 617 transitions. Second operand 14 states. [2020-10-27 23:20:02,422 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:02,580 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:02,730 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:20:03,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:03,361 INFO L93 Difference]: Finished difference Result 483 states and 661 transitions. [2020-10-27 23:20:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 23:20:03,362 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 119 [2020-10-27 23:20:03,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:03,368 INFO L225 Difference]: With dead ends: 483 [2020-10-27 23:20:03,368 INFO L226 Difference]: Without dead ends: 480 [2020-10-27 23:20:03,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2020-10-27 23:20:03,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-10-27 23:20:03,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 466. [2020-10-27 23:20:03,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-10-27 23:20:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 630 transitions. [2020-10-27 23:20:03,425 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 630 transitions. Word has length 119 [2020-10-27 23:20:03,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:03,425 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 630 transitions. [2020-10-27 23:20:03,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:20:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 630 transitions. [2020-10-27 23:20:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 23:20:03,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:03,429 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:03,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 23:20:03,429 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:03,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:03,430 INFO L82 PathProgramCache]: Analyzing trace with hash 115630303, now seen corresponding path program 1 times [2020-10-27 23:20:03,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:03,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370947830] [2020-10-27 23:20:03,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:03,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:03,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:03,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:03,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 23:20:08,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:08,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 23:20:08,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 23:20:08,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-27 23:20:08,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 23:20:08,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:08,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:20:08,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:08,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:08,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:08,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:08,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:08,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:08,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:08,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:08,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:08,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:08,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:08,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:08,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:08,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:08,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:08,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:08,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:08,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:08,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:08,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:08,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:08,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:08,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:08,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:08,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:08,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:08,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:08,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:08,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:08,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:08,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:08,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:08,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:08,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:08,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:08,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:08,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:08,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:08,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:08,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:08,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:08,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:08,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:08,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:08,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:08,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:08,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:20:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:08,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:08,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:08,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-27 23:20:08,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:08,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 23:20:08,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:08,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 23:20:08,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 23:20:08,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 23:20:08,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:09,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:09,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:09,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:09,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:09,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:09,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:09,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:09,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:09,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:09,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:09,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:09,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:20:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:09,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:09,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:09,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:09,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:09,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:09,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:09,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:09,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:09,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:09,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:09,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 23:20:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:09,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:09,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:09,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:09,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:09,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:09,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:09,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:09,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:09,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:09,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 23:20:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:09,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:09,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:09,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:09,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:09,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:20:09,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:09,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:20:09,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:09,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:09,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-27 23:20:09,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370947830] [2020-10-27 23:20:09,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:09,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 23:20:09,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556979265] [2020-10-27 23:20:09,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 23:20:09,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:09,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 23:20:09,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-27 23:20:09,109 INFO L87 Difference]: Start difference. First operand 466 states and 630 transitions. Second operand 15 states. [2020-10-27 23:20:10,656 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:20:10,807 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:20:10,950 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:20:11,103 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:20:11,265 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 23:20:11,937 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:20:12,138 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 23:20:12,334 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 23:20:13,214 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:20:13,966 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 23:20:14,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:14,578 INFO L93 Difference]: Finished difference Result 1416 states and 1972 transitions. [2020-10-27 23:20:14,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 23:20:14,579 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 127 [2020-10-27 23:20:14,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:14,587 INFO L225 Difference]: With dead ends: 1416 [2020-10-27 23:20:14,588 INFO L226 Difference]: Without dead ends: 1015 [2020-10-27 23:20:14,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2020-10-27 23:20:14,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2020-10-27 23:20:14,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 671. [2020-10-27 23:20:14,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2020-10-27 23:20:14,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 899 transitions. [2020-10-27 23:20:14,708 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 899 transitions. Word has length 127 [2020-10-27 23:20:14,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:14,708 INFO L481 AbstractCegarLoop]: Abstraction has 671 states and 899 transitions. [2020-10-27 23:20:14,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 23:20:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 899 transitions. [2020-10-27 23:20:14,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 23:20:14,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:14,712 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:14,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 23:20:14,713 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:14,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:14,713 INFO L82 PathProgramCache]: Analyzing trace with hash -177772704, now seen corresponding path program 1 times [2020-10-27 23:20:14,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:14,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222861205] [2020-10-27 23:20:14,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:14,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:14,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:14,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:15,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:15,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 23:20:15,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:20:15,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1193 [2020-10-27 23:20:15,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:15,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:15,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-27 23:20:15,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:15,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,082 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:16,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:16,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:16,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:16,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:16,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:16,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:16,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:16,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:16,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:16,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:16,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:16,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:16,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:16,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:16,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:16,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:16,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:16,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:16,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:16,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:16,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:16,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:16,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:16,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:16,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:20:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-27 23:20:16,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 23:20:16,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 23:20:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:16,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:16,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:16,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:20:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:16,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:16,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 23:20:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:16,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:16,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:16,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:16,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 23:20:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:16,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:16,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:16,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:16,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:20:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:16,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:16,498 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-27 23:20:16,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222861205] [2020-10-27 23:20:16,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:16,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:16,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534035956] [2020-10-27 23:20:16,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:16,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:16,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:16,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:16,500 INFO L87 Difference]: Start difference. First operand 671 states and 899 transitions. Second operand 11 states. [2020-10-27 23:20:16,675 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:16,811 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:20:17,760 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:18,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:18,546 INFO L93 Difference]: Finished difference Result 1283 states and 1726 transitions. [2020-10-27 23:20:18,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:20:18,546 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 127 [2020-10-27 23:20:18,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:18,551 INFO L225 Difference]: With dead ends: 1283 [2020-10-27 23:20:18,551 INFO L226 Difference]: Without dead ends: 647 [2020-10-27 23:20:18,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-27 23:20:18,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2020-10-27 23:20:18,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2020-10-27 23:20:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-10-27 23:20:18,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 848 transitions. [2020-10-27 23:20:18,631 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 848 transitions. Word has length 127 [2020-10-27 23:20:18,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:18,631 INFO L481 AbstractCegarLoop]: Abstraction has 647 states and 848 transitions. [2020-10-27 23:20:18,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 848 transitions. [2020-10-27 23:20:18,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-27 23:20:18,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:18,635 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:18,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 23:20:18,636 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:18,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:18,636 INFO L82 PathProgramCache]: Analyzing trace with hash -2128220902, now seen corresponding path program 1 times [2020-10-27 23:20:18,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:18,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849158535] [2020-10-27 23:20:18,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:18,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:18,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:18,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:20:23,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:23,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 23:20:23,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:23,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-27 23:20:23,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 23:20:23,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,809 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:23,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:23,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:23,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:23,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:23,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:23,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:23,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:23,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:23,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:23,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:23,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:23,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:23,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:23,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:23,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:20:23,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 23:20:23,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:23,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:23,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:23,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:20:23,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 23:20:23,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:24,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:24,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:24,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:24,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:24,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:24,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:24,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:24,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:24,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:24,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:24,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:24,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:24,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:24,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:24,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:24,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:20:24,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:24,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:24,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:24,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:20:24,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:24,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:24,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:24,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:24,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:24,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:24,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:24,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:24,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:24,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:24,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:24,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:24,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:24,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:24,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:24,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:24,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:24,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:24,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 23:20:24,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:24,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:24,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:24,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:24,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:24,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:24,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:24,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:24,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:24,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:20:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:24,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:24,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:24,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:20:24,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:24,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 23:20:24,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 23:20:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 23:20:24,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:24,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:24,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:24,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:24,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:24,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:24,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:24,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:24,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:24,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:24,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:24,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:24,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:20:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:24,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:24,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:24,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:20:24,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:24,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:24,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:24,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:24,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:20:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:24,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:24,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:24,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:24,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:24,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:24,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:24,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:24,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:24,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:20:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:24,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:24,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:24,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:24,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:24,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:24,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:24,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:24,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:24,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:24,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:24,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:20:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:24,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:24,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:24,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:24,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:24,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:24,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 23:20:24,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849158535] [2020-10-27 23:20:24,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:24,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:24,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293758902] [2020-10-27 23:20:24,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:24,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:24,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:24,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:24,272 INFO L87 Difference]: Start difference. First operand 647 states and 848 transitions. Second operand 11 states. [2020-10-27 23:20:24,417 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:27,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:27,540 INFO L93 Difference]: Finished difference Result 1794 states and 2362 transitions. [2020-10-27 23:20:27,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 23:20:27,540 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 137 [2020-10-27 23:20:27,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:27,549 INFO L225 Difference]: With dead ends: 1794 [2020-10-27 23:20:27,549 INFO L226 Difference]: Without dead ends: 1206 [2020-10-27 23:20:27,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-10-27 23:20:27,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2020-10-27 23:20:27,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1184. [2020-10-27 23:20:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2020-10-27 23:20:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1544 transitions. [2020-10-27 23:20:27,701 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1544 transitions. Word has length 137 [2020-10-27 23:20:27,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:27,701 INFO L481 AbstractCegarLoop]: Abstraction has 1184 states and 1544 transitions. [2020-10-27 23:20:27,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:27,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1544 transitions. [2020-10-27 23:20:27,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 23:20:27,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:27,707 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:27,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 23:20:27,707 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:27,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:27,708 INFO L82 PathProgramCache]: Analyzing trace with hash 376803773, now seen corresponding path program 1 times [2020-10-27 23:20:27,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:27,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001265950] [2020-10-27 23:20:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:27,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:27,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:27,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-27 23:20:32,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:32,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 23:20:32,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-27 23:20:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 23:20:32,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,865 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:32,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:32,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:32,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:32,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:32,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:32,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:32,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:32,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:32,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:32,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:32,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:32,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:32,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:32,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:32,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:32,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:32,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:32,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:33,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:33,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:33,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:20:33,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:20:33,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:33,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:33,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:33,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:33,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:33,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:33,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:33,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:33,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:33,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:33,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:20:33,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:33,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:33,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:33,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:20:33,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:33,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:33,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:33,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:33,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:33,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:33,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:33,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:33,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:33,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:33,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:33,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 23:20:33,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:33,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:33,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:33,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:33,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:33,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:33,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:33,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:20:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:33,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-27 23:20:33,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:33,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:20:33,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 23:20:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 23:20:33,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:33,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:20:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:33,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:33,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:33,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:33,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:33,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:33,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:33,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:33,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:33,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 23:20:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:33,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:20:33,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:33,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:33,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:33,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:33,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:33,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:33,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 23:20:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:33,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:33,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:33,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:33,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:33,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:33,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:33,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:33,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:33,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 23:20:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:33,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:33,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:33,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:33,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:33,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:33,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:33,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:33,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:33,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 23:20:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:33,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:33,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:33,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:33,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:33,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:33,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:33,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:33,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:33,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:33,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 23:20:33,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001265950] [2020-10-27 23:20:33,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:33,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:33,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220217719] [2020-10-27 23:20:33,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:33,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:33,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:33,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:33,289 INFO L87 Difference]: Start difference. First operand 1184 states and 1544 transitions. Second operand 11 states. [2020-10-27 23:20:33,445 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:37,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:37,019 INFO L93 Difference]: Finished difference Result 3378 states and 4436 transitions. [2020-10-27 23:20:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 23:20:37,020 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 138 [2020-10-27 23:20:37,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:37,033 INFO L225 Difference]: With dead ends: 3378 [2020-10-27 23:20:37,033 INFO L226 Difference]: Without dead ends: 2277 [2020-10-27 23:20:37,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-10-27 23:20:37,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2020-10-27 23:20:37,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 1699. [2020-10-27 23:20:37,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2020-10-27 23:20:37,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2215 transitions. [2020-10-27 23:20:37,264 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2215 transitions. Word has length 138 [2020-10-27 23:20:37,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:37,265 INFO L481 AbstractCegarLoop]: Abstraction has 1699 states and 2215 transitions. [2020-10-27 23:20:37,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:37,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2215 transitions. [2020-10-27 23:20:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 23:20:37,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:37,273 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:37,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 23:20:37,273 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:37,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:37,274 INFO L82 PathProgramCache]: Analyzing trace with hash -104846401, now seen corresponding path program 1 times [2020-10-27 23:20:37,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:37,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268183709] [2020-10-27 23:20:37,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 23:20:42,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 23:20:42,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-27 23:20:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 23:20:42,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,434 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:42,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:42,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:42,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:42,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:42,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:42,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:42,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:42,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:42,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:42,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:42,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:42,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:42,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:42,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:42,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:42,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:42,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:42,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:42,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:42,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:42,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:42,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:42,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:42,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:42,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:42,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:42,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:42,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:42,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:42,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:42,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:20:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 23:20:42,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:42,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:42,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:42,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:42,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:42,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 23:20:42,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:42,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:42,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:42,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:20:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 23:20:42,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:20:42,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 23:20:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 23:20:42,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:20:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:42,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:42,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:42,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:42,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 23:20:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:20:42,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:42,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 23:20:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:42,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:42,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 23:20:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:42,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:42,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:42,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 23:20:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:42,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:42,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:42,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:42,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:42,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:42,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 23:20:42,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268183709] [2020-10-27 23:20:42,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:42,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:42,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274920664] [2020-10-27 23:20:42,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:42,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:42,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:42,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:42,804 INFO L87 Difference]: Start difference. First operand 1699 states and 2215 transitions. Second operand 11 states. [2020-10-27 23:20:42,949 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:43,963 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:46,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:46,817 INFO L93 Difference]: Finished difference Result 4950 states and 6488 transitions. [2020-10-27 23:20:46,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 23:20:46,817 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2020-10-27 23:20:46,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:46,836 INFO L225 Difference]: With dead ends: 4950 [2020-10-27 23:20:46,836 INFO L226 Difference]: Without dead ends: 3334 [2020-10-27 23:20:46,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-10-27 23:20:46,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2020-10-27 23:20:47,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 2197. [2020-10-27 23:20:47,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2197 states. [2020-10-27 23:20:47,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 2197 states and 2864 transitions. [2020-10-27 23:20:47,181 INFO L78 Accepts]: Start accepts. Automaton has 2197 states and 2864 transitions. Word has length 139 [2020-10-27 23:20:47,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:47,182 INFO L481 AbstractCegarLoop]: Abstraction has 2197 states and 2864 transitions. [2020-10-27 23:20:47,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2864 transitions. [2020-10-27 23:20:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 23:20:47,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:47,192 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:47,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 23:20:47,192 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:47,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:47,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1281939009, now seen corresponding path program 1 times [2020-10-27 23:20:47,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:47,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659065779] [2020-10-27 23:20:47,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 23:20:52,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 23:20:52,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 23:20:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 23:20:52,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,347 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:52,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:52,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:52,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:52,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:52,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:52,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:52,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:52,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:52,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:52,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:52,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:52,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:52,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:52,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:52,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:52,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:52,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 23:20:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:52,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:52,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:52,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:52,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:20:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:52,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:52,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:52,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:52,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:52,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:52,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 23:20:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:52,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:52,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:52,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:52,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:52,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:20:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 23:20:52,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:20:52,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 23:20:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 23:20:52,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:20:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:52,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:52,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:20:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 23:20:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:20:52,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:52,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 23:20:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 23:20:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:52,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:52,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:20:52,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 23:20:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:52,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:52,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:20:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 23:20:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:52,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:52,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:52,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:52,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:52,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:52,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:20:52,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:52,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:52,696 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 23:20:52,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659065779] [2020-10-27 23:20:52,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:52,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 23:20:52,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043647075] [2020-10-27 23:20:52,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 23:20:52,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:52,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 23:20:52,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 23:20:52,698 INFO L87 Difference]: Start difference. First operand 2197 states and 2864 transitions. Second operand 10 states. [2020-10-27 23:20:53,693 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:54,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:54,446 INFO L93 Difference]: Finished difference Result 3867 states and 5043 transitions. [2020-10-27 23:20:54,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 23:20:54,447 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 139 [2020-10-27 23:20:54,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:54,457 INFO L225 Difference]: With dead ends: 3867 [2020-10-27 23:20:54,457 INFO L226 Difference]: Without dead ends: 1697 [2020-10-27 23:20:54,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2020-10-27 23:20:54,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2020-10-27 23:20:54,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1697. [2020-10-27 23:20:54,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1697 states. [2020-10-27 23:20:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 2209 transitions. [2020-10-27 23:20:54,692 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 2209 transitions. Word has length 139 [2020-10-27 23:20:54,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:54,693 INFO L481 AbstractCegarLoop]: Abstraction has 1697 states and 2209 transitions. [2020-10-27 23:20:54,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 23:20:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2209 transitions. [2020-10-27 23:20:54,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 23:20:54,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:54,700 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:54,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 23:20:54,700 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:54,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:54,701 INFO L82 PathProgramCache]: Analyzing trace with hash 2134363838, now seen corresponding path program 1 times [2020-10-27 23:20:54,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:54,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136973251] [2020-10-27 23:20:54,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:54,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:54,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:56,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:59,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:59,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 23:20:59,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:20:59,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 23:20:59,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:20:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 23:20:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:20:59,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:59,871 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:59,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:59,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:59,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:59,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:59,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:59,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:59,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:59,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:59,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:59,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:59,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:59,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:59,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:59,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:59,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:59,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:59,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:59,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:59,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:59,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:59,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 23:20:59,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:59,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:59,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:59,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:59,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:59,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:59,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:59,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:59,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:59,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:59,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:59,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:59,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:59,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:59,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:59,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:59,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:59,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:59,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:59,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 23:20:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:59,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:59,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:59,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:59,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:59,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:59,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:20:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:59,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:00,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:00,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 23:21:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:00,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:00,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:00,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:00,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:00,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 23:21:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:00,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:21:00,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:00,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:00,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:00,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 23:21:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:00,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:00,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:21:00,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:00,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:00,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:00,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 23:21:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:21:00,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:21:00,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:21:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:00,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:00,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:21:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:00,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:00,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:00,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:21:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:00,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:00,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:21:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:00,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:00,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:00,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:21:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:00,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:00,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:00,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:00,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:00,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:00,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:00,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 23:21:00,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136973251] [2020-10-27 23:21:00,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:21:00,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 23:21:00,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019984975] [2020-10-27 23:21:00,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:21:00,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:00,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:21:00,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:21:00,289 INFO L87 Difference]: Start difference. First operand 1697 states and 2209 transitions. Second operand 12 states. [2020-10-27 23:21:00,736 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:02,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:02,601 INFO L93 Difference]: Finished difference Result 3349 states and 4401 transitions. [2020-10-27 23:21:02,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:21:02,602 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 139 [2020-10-27 23:21:02,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:02,614 INFO L225 Difference]: With dead ends: 3349 [2020-10-27 23:21:02,615 INFO L226 Difference]: Without dead ends: 1730 [2020-10-27 23:21:02,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-27 23:21:02,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2020-10-27 23:21:02,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1697. [2020-10-27 23:21:02,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1697 states. [2020-10-27 23:21:02,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 2205 transitions. [2020-10-27 23:21:02,854 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 2205 transitions. Word has length 139 [2020-10-27 23:21:02,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:02,854 INFO L481 AbstractCegarLoop]: Abstraction has 1697 states and 2205 transitions. [2020-10-27 23:21:02,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:21:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2205 transitions. [2020-10-27 23:21:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-27 23:21:02,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:02,862 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:21:02,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 23:21:02,862 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:02,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:02,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1732631225, now seen corresponding path program 1 times [2020-10-27 23:21:02,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:02,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [737030147] [2020-10-27 23:21:02,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:02,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:02,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:02,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:03,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:03,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:03,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:03,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:07,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:07,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-27 23:21:07,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:21:07,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 23:21:07,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:07,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:07,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-27 23:21:07,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:07,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,035 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:08,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:08,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:08,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 23:21:13,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:21:13,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 23:21:13,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:13,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 23:21:13,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:13,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:13,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:13,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:13,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:13,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:21:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:13,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:13,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:13,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:13,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:13,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:21:13,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:13,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:13,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:13,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:21:13,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 23:21:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:13,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:13,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:13,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:21:13,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:13,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:13,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:21:13,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 23:21:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:13,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:13,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:21:13,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:13,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:13,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:13,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:21:13,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 23:21:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:13,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:13,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:13,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:13,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:13,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 23:21:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:13,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:13,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:13,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:13,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 23:21:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:13,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:13,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:13,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:13,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:13,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 23:21:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:13,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:21:13,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:21:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:13,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:13,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 23:21:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:21:13,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:21:13,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:21:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:13,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:13,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:21:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:13,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:13,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:21:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:13,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:13,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:21:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:13,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:13,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:21:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:13,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:13,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 28 proven. 7 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-10-27 23:21:13,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [737030147] [2020-10-27 23:21:13,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:21:13,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 23:21:13,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026154041] [2020-10-27 23:21:13,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 23:21:13,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:13,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 23:21:13,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 23:21:13,469 INFO L87 Difference]: Start difference. First operand 1697 states and 2205 transitions. Second operand 13 states. [2020-10-27 23:21:13,635 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:13,768 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:21:13,955 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:15,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:15,800 INFO L93 Difference]: Finished difference Result 3377 states and 4395 transitions. [2020-10-27 23:21:15,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:21:15,804 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 187 [2020-10-27 23:21:15,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:15,814 INFO L225 Difference]: With dead ends: 3377 [2020-10-27 23:21:15,814 INFO L226 Difference]: Without dead ends: 1694 [2020-10-27 23:21:15,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-10-27 23:21:15,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2020-10-27 23:21:16,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1694. [2020-10-27 23:21:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2020-10-27 23:21:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2198 transitions. [2020-10-27 23:21:16,084 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2198 transitions. Word has length 187 [2020-10-27 23:21:16,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:16,085 INFO L481 AbstractCegarLoop]: Abstraction has 1694 states and 2198 transitions. [2020-10-27 23:21:16,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 23:21:16,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2198 transitions. [2020-10-27 23:21:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-27 23:21:16,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:16,092 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:21:16,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 23:21:16,092 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:16,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:16,093 INFO L82 PathProgramCache]: Analyzing trace with hash 381702186, now seen corresponding path program 1 times [2020-10-27 23:21:16,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:16,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674415755] [2020-10-27 23:21:16,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:16,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:19,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:19,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:21,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:21,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-27 23:21:21,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 23:21:21,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 23:21:21,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-27 23:21:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:21,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:21,249 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:21,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:21,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:21,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:21,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:21,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:21,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:21,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:21,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:21,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:21,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:21,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:21,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:21,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:21,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:21,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:21,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:21,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:21,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 23:21:26,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:21:26,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 23:21:26,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:26,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:21:26,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:21:26,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:26,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:26,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:26,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:26,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:21:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:26,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:21:26,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:21:26,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:26,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:26,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 23:21:26,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:21:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:26,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:26,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:21:26,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:21:26,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:26,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:26,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:26,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 23:21:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:26,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:21:26,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:26,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:26,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:21:26,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:26,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:26,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:26,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 23:21:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:26,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:26,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:26,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:26,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 23:21:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:26,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:26,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:26,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:26,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:26,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 23:21:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:26,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:26,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:26,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:26,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 23:21:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:26,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:26,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:21:26,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:26,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:26,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 23:21:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:21:26,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:21:26,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:21:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:26,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:26,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:21:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:26,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:26,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:21:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:26,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:26,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:21:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:26,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:26,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:21:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:26,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:26,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:26,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:26,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:26,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:26,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:26,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 13 proven. 13 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-27 23:21:26,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674415755] [2020-10-27 23:21:26,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:21:26,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 23:21:26,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868363777] [2020-10-27 23:21:26,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 23:21:26,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:26,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 23:21:26,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 23:21:26,749 INFO L87 Difference]: Start difference. First operand 1694 states and 2198 transitions. Second operand 13 states. [2020-10-27 23:21:27,038 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2020-10-27 23:21:27,331 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2020-10-27 23:21:27,533 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:27,933 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 126 [2020-10-27 23:21:28,198 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:21:28,488 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2020-10-27 23:21:30,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:30,306 INFO L93 Difference]: Finished difference Result 3381 states and 4398 transitions. [2020-10-27 23:21:30,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 23:21:30,307 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 189 [2020-10-27 23:21:30,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:30,315 INFO L225 Difference]: With dead ends: 3381 [2020-10-27 23:21:30,316 INFO L226 Difference]: Without dead ends: 1703 [2020-10-27 23:21:30,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=180, Invalid=372, Unknown=0, NotChecked=0, Total=552 [2020-10-27 23:21:30,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2020-10-27 23:21:30,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1703. [2020-10-27 23:21:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2020-10-27 23:21:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2206 transitions. [2020-10-27 23:21:30,535 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2206 transitions. Word has length 189 [2020-10-27 23:21:30,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:30,535 INFO L481 AbstractCegarLoop]: Abstraction has 1703 states and 2206 transitions. [2020-10-27 23:21:30,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 23:21:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2206 transitions. [2020-10-27 23:21:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-27 23:21:30,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:30,543 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:21:30,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 23:21:30,543 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:30,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:30,544 INFO L82 PathProgramCache]: Analyzing trace with hash 2054004022, now seen corresponding path program 1 times [2020-10-27 23:21:30,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:30,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522381647] [2020-10-27 23:21:30,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:35,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:35,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 23:21:35,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:21:35,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 23:21:35,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 23:21:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:35,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:35,698 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:35,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:35,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:35,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:35,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:35,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:35,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:35,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:35,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:35,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:35,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:35,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:35,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:35,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:35,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:35,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:35,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:35,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:36,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 23:21:40,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:21:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 23:21:40,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 23:21:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:40,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:40,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:40,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:40,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:40,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:40,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:40,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:40,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:40,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:40,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:40,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:40,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:40,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:21:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:40,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:40,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:40,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:40,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:40,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:40,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:40,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:40,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:40,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:40,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:40,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:21:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:21:40,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 23:21:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:21:40,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:40,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 23:21:40,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 23:21:40,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:21:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:40,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:40,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:40,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:21:40,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 23:21:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:40,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:40,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:40,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:40,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:40,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:40,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:40,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:40,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:40,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:40,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 23:21:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:40,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:40,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:40,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:40,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:40,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:40,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:40,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:41,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 23:21:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:41,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:41,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:41,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:41,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:41,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:41,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:41,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:41,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:41,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:41,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:41,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:41,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:41,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:41,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:41,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:41,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 23:21:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:41,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:41,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:41,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:41,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:41,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:41,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:21:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:41,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:41,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:41,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:41,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:41,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:41,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:41,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:41,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:41,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:41,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:41,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 23:21:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:41,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:41,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:41,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:21:41,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:41,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:21:41,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:41,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:41,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:21:41,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:41,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:41,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:41,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:41,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:41,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:41,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:41,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:41,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:41,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:41,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:21:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:41,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:41,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:41,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:41,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:41,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:41,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:41,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:41,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:21:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:41,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:41,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:41,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:41,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:41,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:41,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:41,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:41,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:21:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:41,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:41,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:41,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:41,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:41,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:41,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:41,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:41,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:41,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:41,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:41,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:21:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:41,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:41,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:41,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:41,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:41,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:41,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:41,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-27 23:21:41,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522381647] [2020-10-27 23:21:41,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:21:41,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 23:21:41,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612240761] [2020-10-27 23:21:41,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 23:21:41,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:41,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 23:21:41,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2020-10-27 23:21:41,180 INFO L87 Difference]: Start difference. First operand 1703 states and 2206 transitions. Second operand 15 states. [2020-10-27 23:21:41,359 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:21:41,559 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:21:41,834 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:41,980 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 23:21:42,228 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 23:21:42,515 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:42,720 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:21:44,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:44,944 INFO L93 Difference]: Finished difference Result 3466 states and 4503 transitions. [2020-10-27 23:21:44,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 23:21:44,945 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 191 [2020-10-27 23:21:44,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:44,955 INFO L225 Difference]: With dead ends: 3466 [2020-10-27 23:21:44,955 INFO L226 Difference]: Without dead ends: 1785 [2020-10-27 23:21:44,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2020-10-27 23:21:44,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2020-10-27 23:21:45,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1743. [2020-10-27 23:21:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1743 states. [2020-10-27 23:21:45,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2256 transitions. [2020-10-27 23:21:45,197 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2256 transitions. Word has length 191 [2020-10-27 23:21:45,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:45,198 INFO L481 AbstractCegarLoop]: Abstraction has 1743 states and 2256 transitions. [2020-10-27 23:21:45,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 23:21:45,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2256 transitions. [2020-10-27 23:21:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-27 23:21:45,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:45,205 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:21:45,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 23:21:45,205 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:45,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:45,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1995109107, now seen corresponding path program 1 times [2020-10-27 23:21:45,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:45,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1186357524] [2020-10-27 23:21:45,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:50,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:50,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-27 23:21:50,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:21:50,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 23:21:50,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:50,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:50,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 23:21:50,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:50,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:50,368 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:50,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:50,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:50,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:50,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:50,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:50,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:50,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:50,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:50,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:50,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:50,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:50,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:50,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:50,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:50,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:50,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 23:21:51,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:21:51,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1295 [2020-10-27 23:21:51,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:51,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-27 23:21:51,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:51,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:51,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:51,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:51,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:51,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:51,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:21:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:51,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:51,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:51,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:51,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:21:51,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:51,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:21:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:51,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:51,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:21:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 23:21:51,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:21:51,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:51,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:51,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:21:51,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:51,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:51,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 23:21:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:51,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:51,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:51,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:51,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:51,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:51,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:21:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:51,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:51,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:51,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:51,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:51,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 23:21:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:51,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:51,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:51,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:51,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:51,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:51,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 23:21:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:51,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:51,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:21:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:51,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:51,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:51,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:51,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 23:21:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:51,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:21:51,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:51,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:51,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:51,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:51,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:21:51,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:51,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:52,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:52,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:21:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:52,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:52,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:21:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:52,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:52,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:21:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:52,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:52,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:21:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:52,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:52,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,049 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-27 23:21:52,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1186357524] [2020-10-27 23:21:52,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:21:52,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 23:21:52,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867347315] [2020-10-27 23:21:52,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:21:52,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:52,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:21:52,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:21:52,051 INFO L87 Difference]: Start difference. First operand 1743 states and 2256 transitions. Second operand 12 states. [2020-10-27 23:21:52,280 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:52,695 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:52,832 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:54,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:54,260 INFO L93 Difference]: Finished difference Result 3372 states and 4376 transitions. [2020-10-27 23:21:54,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:21:54,263 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 196 [2020-10-27 23:21:54,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:54,270 INFO L225 Difference]: With dead ends: 3372 [2020-10-27 23:21:54,270 INFO L226 Difference]: Without dead ends: 1749 [2020-10-27 23:21:54,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:21:54,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2020-10-27 23:21:54,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1743. [2020-10-27 23:21:54,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1743 states. [2020-10-27 23:21:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2254 transitions. [2020-10-27 23:21:54,504 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2254 transitions. Word has length 196 [2020-10-27 23:21:54,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:54,505 INFO L481 AbstractCegarLoop]: Abstraction has 1743 states and 2254 transitions. [2020-10-27 23:21:54,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:21:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2254 transitions. [2020-10-27 23:21:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-27 23:21:54,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:54,512 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:21:54,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 23:21:54,512 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:54,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:54,513 INFO L82 PathProgramCache]: Analyzing trace with hash 118868222, now seen corresponding path program 2 times [2020-10-27 23:21:54,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:54,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823003876] [2020-10-27 23:21:54,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:54,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:54,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:54,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:54,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:54,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:54,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:55,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-27 23:21:59,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:21:59,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 23:21:59,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 23:21:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:21:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,669 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:59,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:59,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:59,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:00,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 23:22:04,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:22:04,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 23:22:04,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:04,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 23:22:04,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:22:04,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:04,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:04,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:04,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:04,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:04,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:04,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:04,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:04,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:04,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:04,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:04,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:04,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:04,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:04,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:04,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:04,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:04,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:04,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:22:04,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 23:22:04,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:22:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:22:04,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 23:22:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:04,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:22:04,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:04,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:04,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:04,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:04,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 23:22:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:04,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:04,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:04,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:04,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:04,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:22:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:04,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:22:04,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:04,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:04,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:04,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:04,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 23:22:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:04,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:04,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:04,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:22:04,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:04,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:04,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:04,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:04,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:22:04,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:04,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:05,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:05,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:05,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:05,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:05,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:05,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:05,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:05,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:05,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:05,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:05,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:05,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 23:22:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:05,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:05,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:05,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:22:05,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:05,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:22:05,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:05,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:05,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:22:05,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:05,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:05,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:05,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:05,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:05,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:05,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:05,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:05,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:05,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:05,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:05,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:05,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:05,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:22:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:05,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:05,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:05,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:05,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:05,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:05,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:05,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:05,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:22:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:05,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:05,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:05,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:05,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:05,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:05,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:05,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:05,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:22:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:05,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:05,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:05,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:05,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:05,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:05,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:05,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:05,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:22:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:05,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:05,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:05,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:05,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:05,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:05,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:05,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:05,091 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-27 23:22:05,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823003876] [2020-10-27 23:22:05,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:05,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 23:22:05,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969990038] [2020-10-27 23:22:05,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:22:05,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:05,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:22:05,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:22:05,093 INFO L87 Difference]: Start difference. First operand 1743 states and 2254 transitions. Second operand 11 states. [2020-10-27 23:22:05,268 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:22:05,421 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 23:22:05,768 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:22:07,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:07,359 INFO L93 Difference]: Finished difference Result 3378 states and 4384 transitions. [2020-10-27 23:22:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:22:07,360 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 197 [2020-10-27 23:22:07,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:07,367 INFO L225 Difference]: With dead ends: 3378 [2020-10-27 23:22:07,367 INFO L226 Difference]: Without dead ends: 1743 [2020-10-27 23:22:07,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-27 23:22:07,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2020-10-27 23:22:07,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1743. [2020-10-27 23:22:07,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1743 states. [2020-10-27 23:22:07,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2252 transitions. [2020-10-27 23:22:07,585 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2252 transitions. Word has length 197 [2020-10-27 23:22:07,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:07,586 INFO L481 AbstractCegarLoop]: Abstraction has 1743 states and 2252 transitions. [2020-10-27 23:22:07,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:22:07,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2252 transitions. [2020-10-27 23:22:07,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-27 23:22:07,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:07,593 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:22:07,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 23:22:07,594 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:07,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:07,594 INFO L82 PathProgramCache]: Analyzing trace with hash -134156640, now seen corresponding path program 1 times [2020-10-27 23:22:07,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:07,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862368596] [2020-10-27 23:22:07,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:07,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:07,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:07,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:07,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:12,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:12,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-27 23:22:12,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:22:12,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 23:22:12,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:12,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 23:22:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 23:22:12,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:12,757 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:12,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:12,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:12,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:12,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:12,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:12,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:12,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:12,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:12,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:12,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:12,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:12,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:12,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 23:22:15,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:22:15,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2562 [2020-10-27 23:22:15,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 23:22:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 23:22:15,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:15,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:15,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:15,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:15,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:15,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:15,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:15,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:15,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:22:15,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:15,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:15,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:15,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:15,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 23:22:15,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 23:22:15,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:22:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 23:22:15,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:15,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:15,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:15,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:22:15,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:22:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:15,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:15,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:22:15,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:22:15,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 23:22:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:15,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:22:15,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:15,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:15,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 23:22:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:15,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:15,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:15,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:15,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 23:22:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:15,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:22:15,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:15,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:15,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:15,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 23:22:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:22:15,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:22:15,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:22:15,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:15,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:15,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 23:22:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:22:15,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:22:15,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:22:15,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:15,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:15,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:22:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:15,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:15,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:22:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:15,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:15,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:22:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:15,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:15,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:22:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:15,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:15,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2020-10-27 23:22:15,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862368596] [2020-10-27 23:22:15,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:15,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 23:22:15,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226075499] [2020-10-27 23:22:15,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:22:15,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:15,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:22:15,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:22:15,869 INFO L87 Difference]: Start difference. First operand 1743 states and 2252 transitions. Second operand 12 states. [2020-10-27 23:22:16,054 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:16,222 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:16,608 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:18,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:18,311 INFO L93 Difference]: Finished difference Result 3506 states and 4535 transitions. [2020-10-27 23:22:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:22:18,312 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 213 [2020-10-27 23:22:18,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:18,324 INFO L225 Difference]: With dead ends: 3506 [2020-10-27 23:22:18,324 INFO L226 Difference]: Without dead ends: 1791 [2020-10-27 23:22:18,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:22:18,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1791 states. [2020-10-27 23:22:18,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1791 to 1773. [2020-10-27 23:22:18,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1773 states. [2020-10-27 23:22:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2290 transitions. [2020-10-27 23:22:18,560 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2290 transitions. Word has length 213 [2020-10-27 23:22:18,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:18,561 INFO L481 AbstractCegarLoop]: Abstraction has 1773 states and 2290 transitions. [2020-10-27 23:22:18,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:22:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2290 transitions. [2020-10-27 23:22:18,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-27 23:22:18,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:18,570 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 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 23:22:18,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-27 23:22:18,570 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:18,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:18,570 INFO L82 PathProgramCache]: Analyzing trace with hash -108788135, now seen corresponding path program 2 times [2020-10-27 23:22:18,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:18,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033348004] [2020-10-27 23:22:18,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:18,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:18,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:18,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:18,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-27 23:22:23,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:22:23,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 23:22:23,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-27 23:22:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:22:23,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,728 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:23,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:23,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:23,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:23,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 23:22:24,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:22:24,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 705 [2020-10-27 23:22:24,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:24,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 23:22:24,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:22:24,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:24,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:24,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:24,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:24,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:24,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:24,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:24,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:24,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:24,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:24,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 23:22:24,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:24,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:24,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 23:22:24,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:22:24,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 23:22:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:24,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:24,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:22:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:24,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:24,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:22:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:24,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:24,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 23:22:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:24,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:22:24,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:24,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:24,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 23:22:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:24,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:24,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:24,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:24,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:24,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 23:22:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:24,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:24,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:24,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:24,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:24,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 23:22:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:22:24,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:24,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:22:24,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:24,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:24,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 23:22:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:22:24,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:22:24,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 23:22:24,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:24,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:24,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:22:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:24,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:24,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:22:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:24,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:24,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:22:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:24,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:24,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:22:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:24,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:24,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:24,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:24,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:24,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:24,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:24,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:24,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:24,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:24,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:24,884 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-10-27 23:22:24,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033348004] [2020-10-27 23:22:24,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:24,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 23:22:24,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646312666] [2020-10-27 23:22:24,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:22:24,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:24,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:22:24,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:22:24,886 INFO L87 Difference]: Start difference. First operand 1773 states and 2290 transitions. Second operand 12 states. [2020-10-27 23:22:25,139 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:25,427 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:25,555 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:27,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:27,175 INFO L93 Difference]: Finished difference Result 3472 states and 4493 transitions. [2020-10-27 23:22:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:22:27,176 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 227 [2020-10-27 23:22:27,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:27,185 INFO L225 Difference]: With dead ends: 3472 [2020-10-27 23:22:27,185 INFO L226 Difference]: Without dead ends: 1777 [2020-10-27 23:22:27,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:22:27,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2020-10-27 23:22:27,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1773. [2020-10-27 23:22:27,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1773 states. [2020-10-27 23:22:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2287 transitions. [2020-10-27 23:22:27,377 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2287 transitions. Word has length 227 [2020-10-27 23:22:27,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:27,378 INFO L481 AbstractCegarLoop]: Abstraction has 1773 states and 2287 transitions. [2020-10-27 23:22:27,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:22:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2287 transitions. [2020-10-27 23:22:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-27 23:22:27,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:27,383 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:22:27,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-27 23:22:27,384 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:27,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:27,384 INFO L82 PathProgramCache]: Analyzing trace with hash -2106977695, now seen corresponding path program 1 times [2020-10-27 23:22:27,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:27,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371629783] [2020-10-27 23:22:27,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:27,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:27,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:27,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:27,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:27,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-27 23:22:32,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:22:32,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 23:22:32,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 23:22:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 23:22:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 23:22:32,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,553 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:32,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:32,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:32,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:32,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:22:32,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:32,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:32,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:32,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:32,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:35,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 23:22:37,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:22:37,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 23:22:37,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:37,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 23:22:37,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:22:37,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:37,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:37,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:37,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:37,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:37,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:22:37,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 23:22:37,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:37,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:37,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 23:22:37,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:22:37,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 23:22:37,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:37,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:37,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:22:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:37,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:37,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:37,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:37,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 23:22:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 23:22:37,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:37,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 23:22:37,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:37,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:37,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:22:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:37,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:37,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:22:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:37,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:37,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 23:22:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:37,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:22:37,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:37,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:22:37,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:37,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:37,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 23:22:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:37,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:22:37,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 23:22:37,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:37,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:37,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 23:22:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:37,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:37,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:22:37,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:37,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:37,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:37,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:37,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:37,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 23:22:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:37,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:37,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:37,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:22:37,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:37,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 23:22:37,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 23:22:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:22:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 23:22:37,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:38,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:38,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:38,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:38,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:38,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:38,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:38,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 23:22:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:22:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:22:38,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:38,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-27 23:22:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:38,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:38,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:38,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 23:22:38,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:38,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 23:22:38,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 23:22:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-27 23:22:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 23:22:38,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:38,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:38,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:38,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:38,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:38,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:38,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:38,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:38,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:38,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 23:22:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:38,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:38,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:38,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:38,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:38,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:38,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:38,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 23:22:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:38,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:38,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:38,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:38,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:38,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:38,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:22:38,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:38,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 23:22:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:38,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:38,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:38,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:38,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:38,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:38,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:38,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:38,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:38,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:22:38,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:38,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 23:22:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:38,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:38,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:38,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:38,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:38,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:38,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:38,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:38,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:22:38,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:38,281 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2020-10-27 23:22:38,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371629783] [2020-10-27 23:22:38,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:38,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 23:22:38,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629374597] [2020-10-27 23:22:38,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 23:22:38,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:38,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 23:22:38,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:22:38,283 INFO L87 Difference]: Start difference. First operand 1773 states and 2287 transitions. Second operand 20 states. [2020-10-27 23:22:38,462 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:22:38,768 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:22:39,070 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:22:39,220 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:22:39,632 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 123