/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/reducercommutativity/max05-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 04:10:36,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 04:10:36,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 04:10:36,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 04:10:36,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 04:10:36,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 04:10:36,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 04:10:36,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 04:10:36,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 04:10:36,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 04:10:36,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 04:10:36,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 04:10:36,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 04:10:36,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 04:10:36,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 04:10:36,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 04:10:36,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 04:10:36,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 04:10:36,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 04:10:36,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 04:10:36,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 04:10:36,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 04:10:36,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 04:10:36,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 04:10:36,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 04:10:36,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 04:10:36,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 04:10:36,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 04:10:36,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 04:10:36,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 04:10:36,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 04:10:36,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 04:10:36,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 04:10:36,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 04:10:36,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 04:10:36,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 04:10:36,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 04:10:36,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 04:10:36,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 04:10:36,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 04:10:36,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 04:10:36,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 04:10:36,686 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 04:10:36,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 04:10:36,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 04:10:36,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 04:10:36,689 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 04:10:36,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 04:10:36,690 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 04:10:36,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 04:10:36,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 04:10:36,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 04:10:36,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 04:10:36,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 04:10:36,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 04:10:36,691 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 04:10:36,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 04:10:36,692 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 04:10:36,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 04:10:36,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 04:10:36,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 04:10:36,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 04:10:36,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 04:10:36,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:10:36,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 04:10:36,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 04:10:36,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 04:10:36,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 04:10:36,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 04:10:36,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 04:10:36,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 04:10:36,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 04:10:37,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 04:10:37,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 04:10:37,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 04:10:37,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 04:10:37,255 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 04:10:37,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/max05-1.i [2020-10-27 04:10:37,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/983f1545c/c6d6a6b5d66c438da82793b5325cd650/FLAG08dcc5a1b [2020-10-27 04:10:38,068 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 04:10:38,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/reducercommutativity/max05-1.i [2020-10-27 04:10:38,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/983f1545c/c6d6a6b5d66c438da82793b5325cd650/FLAG08dcc5a1b [2020-10-27 04:10:38,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/983f1545c/c6d6a6b5d66c438da82793b5325cd650 [2020-10-27 04:10:38,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 04:10:38,452 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 04:10:38,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 04:10:38,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 04:10:38,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 04:10:38,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:10:38" (1/1) ... [2020-10-27 04:10:38,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfb61e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:10:38, skipping insertion in model container [2020-10-27 04:10:38,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:10:38" (1/1) ... [2020-10-27 04:10:38,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 04:10:38,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 04:10:38,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:10:38,686 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 04:10:38,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:10:38,731 INFO L208 MainTranslator]: Completed translation [2020-10-27 04:10:38,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:10:38 WrapperNode [2020-10-27 04:10:38,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 04:10:38,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 04:10:38,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 04:10:38,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 04:10:38,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:10:38" (1/1) ... [2020-10-27 04:10:38,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:10:38" (1/1) ... [2020-10-27 04:10:38,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:10:38" (1/1) ... [2020-10-27 04:10:38,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:10:38" (1/1) ... [2020-10-27 04:10:38,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:10:38" (1/1) ... [2020-10-27 04:10:38,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:10:38" (1/1) ... [2020-10-27 04:10:38,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:10:38" (1/1) ... [2020-10-27 04:10:38,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 04:10:38,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 04:10:38,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 04:10:38,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 04:10:38,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:10:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:10:38,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 04:10:38,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 04:10:38,872 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 04:10:38,872 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2020-10-27 04:10:38,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 04:10:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 04:10:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 04:10:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 04:10:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 04:10:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 04:10:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 04:10:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 04:10:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure max [2020-10-27 04:10:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 04:10:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 04:10:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 04:10:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 04:10:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 04:10:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 04:10:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 04:10:39,245 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 04:10:39,245 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-27 04:10:39,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:10:39 BoogieIcfgContainer [2020-10-27 04:10:39,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 04:10:39,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 04:10:39,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 04:10:39,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 04:10:39,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:10:38" (1/3) ... [2020-10-27 04:10:39,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1071c944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:10:39, skipping insertion in model container [2020-10-27 04:10:39,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:10:38" (2/3) ... [2020-10-27 04:10:39,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1071c944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:10:39, skipping insertion in model container [2020-10-27 04:10:39,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:10:39" (3/3) ... [2020-10-27 04:10:39,257 INFO L111 eAbstractionObserver]: Analyzing ICFG max05-1.i [2020-10-27 04:10:39,274 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 04:10:39,279 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 04:10:39,298 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 04:10:39,329 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 04:10:39,329 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 04:10:39,329 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 04:10:39,329 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 04:10:39,329 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 04:10:39,330 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 04:10:39,330 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 04:10:39,330 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 04:10:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-10-27 04:10:39,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-27 04:10:39,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:10:39,362 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:10:39,362 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:10:39,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:10:39,369 INFO L82 PathProgramCache]: Analyzing trace with hash -122162658, now seen corresponding path program 1 times [2020-10-27 04:10:39,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:10:39,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452256195] [2020-10-27 04:10:39,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:10:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:39,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:39,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:39,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:39,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:40,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:40,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:41,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:41,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 04:10:41,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:10:41,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1909 [2020-10-27 04:10:41,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:41,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:10:41,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:10:41,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 04:10:41,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 04:10:41,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:10:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:41,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:41,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:41,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:10:41,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:10:41,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:10:41,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:41,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:10:41,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:10:41,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:10:41,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:41,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 04:10:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:41,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:41,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:41,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:41,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:10:41,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:10:41,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:10:41,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:41,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:10:41,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:10:41,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:10:41,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:10:41,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 04:10:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:41,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:41,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:41,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:41,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:10:41,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:10:41,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:10:41,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:41,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:10:41,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:10:41,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:10:41,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:10:41,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:10:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:41,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:41,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:41,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:41,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:10:41,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:10:41,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:10:41,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:10:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:10:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:10:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:41,658 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 04:10:41,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1452256195] [2020-10-27 04:10:41,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:10:41,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 04:10:41,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659109774] [2020-10-27 04:10:41,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 04:10:41,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:10:41,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 04:10:41,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 04:10:41,692 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 4 states. [2020-10-27 04:10:41,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:10:41,845 INFO L93 Difference]: Finished difference Result 66 states and 90 transitions. [2020-10-27 04:10:41,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 04:10:41,847 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-27 04:10:41,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:10:41,857 INFO L225 Difference]: With dead ends: 66 [2020-10-27 04:10:41,857 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 04:10:41,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 04:10:41,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 04:10:41,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2020-10-27 04:10:41,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-27 04:10:41,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2020-10-27 04:10:41,915 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 34 [2020-10-27 04:10:41,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:10:41,915 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2020-10-27 04:10:41,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 04:10:41,916 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2020-10-27 04:10:41,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-27 04:10:41,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:10:41,918 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:10:41,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 04:10:41,919 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:10:41,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:10:41,920 INFO L82 PathProgramCache]: Analyzing trace with hash -839912781, now seen corresponding path program 1 times [2020-10-27 04:10:41,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:10:41,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35004491] [2020-10-27 04:10:41,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:10:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:41,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:41,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:41,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:41,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:42,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:42,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:44,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:44,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 04:10:44,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:10:44,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2250 [2020-10-27 04:10:44,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:10:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:10:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 04:10:44,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:44,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:10:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:44,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:44,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:44,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:10:44,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:10:44,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:10:44,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:44,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:10:44,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:10:44,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:10:44,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:10:44,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:10:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:44,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:44,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:44,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:44,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:10:44,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:10:44,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:10:44,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:44,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:10:44,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:10:44,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 04:10:44,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:44,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 04:10:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:44,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:44,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:44,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:44,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:10:44,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:10:44,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:10:44,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:10:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:10:44,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 04:10:44,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:10:44,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 04:10:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:44,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:44,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:44,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:44,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:10:44,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:10:44,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:10:44,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:44,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:10:44,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:10:44,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 04:10:44,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:44,350 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 04:10:44,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35004491] [2020-10-27 04:10:44,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:10:44,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 04:10:44,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168008317] [2020-10-27 04:10:44,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:10:44,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:10:44,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:10:44,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:10:44,359 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand 6 states. [2020-10-27 04:10:44,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:10:44,587 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2020-10-27 04:10:44,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:10:44,588 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-10-27 04:10:44,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:10:44,589 INFO L225 Difference]: With dead ends: 60 [2020-10-27 04:10:44,590 INFO L226 Difference]: Without dead ends: 38 [2020-10-27 04:10:44,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 04:10:44,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-27 04:10:44,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2020-10-27 04:10:44,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-27 04:10:44,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2020-10-27 04:10:44,612 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 36 [2020-10-27 04:10:44,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:10:44,613 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2020-10-27 04:10:44,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:10:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2020-10-27 04:10:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-27 04:10:44,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:10:44,619 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:10:44,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 04:10:44,619 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:10:44,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:10:44,622 INFO L82 PathProgramCache]: Analyzing trace with hash -467101424, now seen corresponding path program 1 times [2020-10-27 04:10:44,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:10:44,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516497902] [2020-10-27 04:10:44,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:10:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:44,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:44,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:44,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:44,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:45,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:49,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:49,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 04:10:49,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:10:49,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:10:49,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:10:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:10:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:10:49,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:49,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:10:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:49,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:49,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:49,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:10:49,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:10:49,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:10:49,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:49,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:10:49,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:10:49,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:10:49,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:49,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 04:10:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:49,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:49,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:49,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:49,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 04:10:49,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:10:49,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 04:10:49,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:10:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:10:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:10:49,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:10:49,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:10:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:49,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:49,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:49,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:49,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 04:10:49,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:10:49,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 04:10:49,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:49,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:10:49,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:10:49,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:10:49,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:49,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:10:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:49,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:49,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:49,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:49,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 04:10:49,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:10:49,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 04:10:49,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:49,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:10:49,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:10:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:10:49,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-27 04:10:49,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516497902] [2020-10-27 04:10:49,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:10:49,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 04:10:49,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015969674] [2020-10-27 04:10:49,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:10:49,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:10:49,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:10:49,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:10:49,912 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 8 states. [2020-10-27 04:10:50,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:10:50,178 INFO L93 Difference]: Finished difference Result 67 states and 83 transitions. [2020-10-27 04:10:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:10:50,178 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-10-27 04:10:50,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:10:50,180 INFO L225 Difference]: With dead ends: 67 [2020-10-27 04:10:50,182 INFO L226 Difference]: Without dead ends: 44 [2020-10-27 04:10:50,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:10:50,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-27 04:10:50,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2020-10-27 04:10:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-27 04:10:50,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2020-10-27 04:10:50,209 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 50 [2020-10-27 04:10:50,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:10:50,211 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2020-10-27 04:10:50,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:10:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2020-10-27 04:10:50,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 04:10:50,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:10:50,217 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:10:50,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 04:10:50,217 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:10:50,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:10:50,218 INFO L82 PathProgramCache]: Analyzing trace with hash -240181139, now seen corresponding path program 2 times [2020-10-27 04:10:50,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:10:50,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828990355] [2020-10-27 04:10:50,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:10:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:50,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:50,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:50,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:50,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:50,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:55,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:55,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 04:10:55,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:10:55,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 04:10:55,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:55,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:10:55,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:10:55,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:10:55,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:55,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:10:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:55,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:55,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:55,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:10:55,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:10:55,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:10:55,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:55,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:10:55,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:10:55,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:10:55,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 04:10:55,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 04:10:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:55,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:55,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:55,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:55,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:10:55,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:10:55,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 04:10:55,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:55,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:10:55,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:10:55,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 04:10:55,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:55,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 04:10:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:55,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:55,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:55,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:55,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:10:55,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:10:55,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 04:10:55,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:55,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:10:55,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:10:55,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 04:10:55,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:55,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 04:10:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:55,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:55,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:55,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:10:55,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 04:10:55,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:10:55,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 04:10:55,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:10:55,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:10:55,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:10:55,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 04:10:55,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:10:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-27 04:10:55,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828990355] [2020-10-27 04:10:55,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:10:55,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 04:10:55,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863750134] [2020-10-27 04:10:55,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 04:10:55,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:10:55,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 04:10:55,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:10:55,570 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 10 states. [2020-10-27 04:10:55,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:10:55,899 INFO L93 Difference]: Finished difference Result 77 states and 95 transitions. [2020-10-27 04:10:55,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 04:10:55,900 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-10-27 04:10:55,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:10:55,902 INFO L225 Difference]: With dead ends: 77 [2020-10-27 04:10:55,902 INFO L226 Difference]: Without dead ends: 50 [2020-10-27 04:10:55,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-27 04:10:55,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-27 04:10:55,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2020-10-27 04:10:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-27 04:10:55,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2020-10-27 04:10:55,924 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 64 [2020-10-27 04:10:55,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:10:55,925 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2020-10-27 04:10:55,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 04:10:55,925 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2020-10-27 04:10:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-27 04:10:55,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:10:55,926 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:10:55,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 04:10:55,927 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:10:55,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:10:55,928 INFO L82 PathProgramCache]: Analyzing trace with hash 476260554, now seen corresponding path program 3 times [2020-10-27 04:10:55,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:10:55,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962716253] [2020-10-27 04:10:55,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:10:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:10:55,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:55,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:56,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:56,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:56,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:10:59,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:00,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:00,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 04:11:00,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:11:00,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:11:00,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:00,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:11:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:11:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 04:11:00,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:01,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:11:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:01,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:01,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:01,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:11:01,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:11:01,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:11:01,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:11:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:11:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:11:01,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:01,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 04:11:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:01,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:01,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:01,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:01,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 04:11:01,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:11:01,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 04:11:01,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:11:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:11:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 04:11:01,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:01,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:11:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:01,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:01,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:01,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:01,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 04:11:01,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:11:01,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 04:11:01,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:11:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:11:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 04:11:01,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:01,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 04:11:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:01,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:01,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:01,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:01,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 04:11:01,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:11:01,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 04:11:01,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:01,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:11:01,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:11:01,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 04:11:01,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:01,327 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 45 proven. 106 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-27 04:11:01,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962716253] [2020-10-27 04:11:01,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:11:01,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 04:11:01,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116191232] [2020-10-27 04:11:01,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 04:11:01,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:11:01,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 04:11:01,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 04:11:01,332 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand 12 states. [2020-10-27 04:11:01,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:11:01,712 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2020-10-27 04:11:01,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 04:11:01,713 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 78 [2020-10-27 04:11:01,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:11:01,714 INFO L225 Difference]: With dead ends: 86 [2020-10-27 04:11:01,714 INFO L226 Difference]: Without dead ends: 55 [2020-10-27 04:11:01,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-27 04:11:01,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-27 04:11:01,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2020-10-27 04:11:01,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-27 04:11:01,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2020-10-27 04:11:01,724 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 78 [2020-10-27 04:11:01,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:11:01,724 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2020-10-27 04:11:01,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 04:11:01,725 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2020-10-27 04:11:01,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-27 04:11:01,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:11:01,726 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:11:01,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 04:11:01,727 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:11:01,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:11:01,727 INFO L82 PathProgramCache]: Analyzing trace with hash -671329753, now seen corresponding path program 4 times [2020-10-27 04:11:01,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:11:01,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114838129] [2020-10-27 04:11:01,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:11:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:01,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:01,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:01,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:01,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:04,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:06,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:06,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 04:11:06,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:11:06,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 04:11:06,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:06,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 04:11:06,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 04:11:06,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 04:11:06,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:06,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:11:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:06,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:06,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:06,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:11:06,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:11:06,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:11:06,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:11:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:11:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:11:06,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:06,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:11:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:06,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:06,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:07,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:07,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:11:07,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:11:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-27 04:11:07,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:11:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:11:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:11:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:11:07,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 04:11:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:07,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:07,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:07,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:07,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:11:07,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:11:07,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-27 04:11:07,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:07,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:11:07,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:11:07,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:11:07,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:07,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 04:11:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:07,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:07,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:07,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:07,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:11:07,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:11:07,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 04:11:07,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:11:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:11:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 04:11:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 6 proven. 251 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-27 04:11:07,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114838129] [2020-10-27 04:11:07,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:11:07,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 04:11:07,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874029847] [2020-10-27 04:11:07,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 04:11:07,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:11:07,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 04:11:07,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2020-10-27 04:11:07,949 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand 20 states. [2020-10-27 04:11:09,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:11:09,515 INFO L93 Difference]: Finished difference Result 141 states and 181 transitions. [2020-10-27 04:11:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 04:11:09,515 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 92 [2020-10-27 04:11:09,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:11:09,519 INFO L225 Difference]: With dead ends: 141 [2020-10-27 04:11:09,519 INFO L226 Difference]: Without dead ends: 107 [2020-10-27 04:11:09,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=344, Invalid=1138, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 04:11:09,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-27 04:11:09,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 99. [2020-10-27 04:11:09,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-27 04:11:09,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 122 transitions. [2020-10-27 04:11:09,541 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 122 transitions. Word has length 92 [2020-10-27 04:11:09,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:11:09,544 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 122 transitions. [2020-10-27 04:11:09,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 04:11:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2020-10-27 04:11:09,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-27 04:11:09,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:11:09,548 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 13, 5, 5, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:11:09,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 04:11:09,548 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:11:09,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:11:09,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1268153986, now seen corresponding path program 1 times [2020-10-27 04:11:09,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:11:09,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803465642] [2020-10-27 04:11:09,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:11:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:09,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:09,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:09,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:10,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:10,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:11,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:13,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:13,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:14,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:14,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 04:11:14,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:11:14,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 04:11:14,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:14,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 04:11:14,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 04:11:14,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 04:11:14,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:14,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:11:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:14,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:14,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:14,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:11:14,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:11:14,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:11:14,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:11:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:11:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:11:14,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:14,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:11:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:14,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:14,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:14,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:14,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:15,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:15,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 04:11:15,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:11:15,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 526 [2020-10-27 04:11:15,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:15,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 04:11:15,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:11:15,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 04:11:15,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:15,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 04:11:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:15,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:15,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:15,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:16,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:16,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:16,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 04:11:16,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:11:16,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1058 [2020-10-27 04:11:16,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:11:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:11:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 04:11:16,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:17,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 04:11:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:11:17,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:17,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:17,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:11:17,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:11:17,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 04:11:17,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:11:17,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-27 04:11:17,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:11:17,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:11:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:11:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 04:11:17,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:11:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 36 proven. 425 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-27 04:11:18,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803465642] [2020-10-27 04:11:18,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:11:18,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-27 04:11:18,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313504434] [2020-10-27 04:11:18,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-27 04:11:18,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:11:18,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-27 04:11:18,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1221, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 04:11:18,295 INFO L87 Difference]: Start difference. First operand 99 states and 122 transitions. Second operand 37 states. [2020-10-27 04:11:20,149 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-10-27 04:11:20,334 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-10-27 04:11:21,131 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-10-27 04:11:21,875 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2020-10-27 04:11:22,176 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-10-27 04:11:22,659 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2020-10-27 04:11:22,855 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2020-10-27 04:11:23,038 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-10-27 04:11:23,201 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-10-27 04:11:23,399 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2020-10-27 04:11:23,564 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2020-10-27 04:11:23,727 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-27 04:11:24,053 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-10-27 04:11:24,479 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2020-10-27 04:11:24,673 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2020-10-27 04:11:24,857 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2020-10-27 04:11:25,518 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-10-27 04:11:25,736 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2020-10-27 04:11:25,899 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2020-10-27 04:11:26,276 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-10-27 04:11:27,219 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2020-10-27 04:11:27,432 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2020-10-27 04:11:27,631 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-27 04:11:27,866 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2020-10-27 04:11:28,045 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2020-10-27 04:11:28,368 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-10-27 04:11:28,578 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-10-27 04:11:29,016 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2020-10-27 04:11:29,258 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 68 [2020-10-27 04:11:29,505 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2020-10-27 04:11:29,742 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2020-10-27 04:11:29,979 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2020-10-27 04:11:30,183 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-10-27 04:11:30,445 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-10-27 04:11:30,730 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2020-10-27 04:11:30,965 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2020-10-27 04:11:31,154 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 56 [2020-10-27 04:11:31,740 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-10-27 04:11:31,921 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-27 04:11:32,146 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-10-27 04:11:32,377 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-10-27 04:11:32,548 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-10-27 04:11:32,965 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-10-27 04:11:33,399 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-10-27 04:11:34,387 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-10-27 04:11:34,589 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-10-27 04:11:34,999 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2020-10-27 04:11:36,582 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2020-10-27 04:11:36,805 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2020-10-27 04:11:37,010 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 61 [2020-10-27 04:11:37,232 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2020-10-27 04:11:37,459 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2020-10-27 04:11:37,639 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-10-27 04:11:37,839 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 56 [2020-10-27 04:11:38,024 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2020-10-27 04:11:38,199 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-27 04:11:39,127 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2020-10-27 04:11:39,370 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2020-10-27 04:11:39,716 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2020-10-27 04:11:39,942 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 63 [2020-10-27 04:11:40,203 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2020-10-27 04:11:40,430 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2020-10-27 04:11:40,666 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-10-27 04:11:40,876 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-10-27 04:11:41,116 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2020-10-27 04:11:41,326 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-10-27 04:11:41,553 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2020-10-27 04:11:41,759 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-10-27 04:11:41,983 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-10-27 04:11:42,156 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-10-27 04:11:42,392 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2020-10-27 04:11:42,591 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-10-27 04:11:42,864 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2020-10-27 04:11:43,059 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-10-27 04:11:43,282 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-10-27 04:11:43,461 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-10-27 04:11:43,689 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-10-27 04:11:43,874 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-10-27 04:11:44,097 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2020-10-27 04:11:44,471 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-27 04:11:45,188 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-10-27 04:11:45,371 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2020-10-27 04:11:46,045 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-10-27 04:11:47,022 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2020-10-27 04:11:47,241 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2020-10-27 04:11:47,528 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-10-27 04:11:47,774 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2020-10-27 04:11:48,004 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2020-10-27 04:11:48,244 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2020-10-27 04:11:48,498 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2020-10-27 04:11:48,841 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-10-27 04:11:49,049 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-10-27 04:11:49,269 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-10-27 04:11:49,468 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-10-27 04:11:49,690 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-10-27 04:11:49,898 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2020-10-27 04:11:50,214 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-10-27 04:11:52,042 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-10-27 04:11:52,405 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2020-10-27 04:11:52,628 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-10-27 04:11:52,830 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2020-10-27 04:11:53,301 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-10-27 04:11:53,466 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-10-27 04:11:53,788 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2020-10-27 04:11:54,146 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-10-27 04:11:54,321 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-10-27 04:11:54,511 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-10-27 04:11:54,904 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2020-10-27 04:11:55,086 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2020-10-27 04:11:55,293 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-10-27 04:11:55,485 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2020-10-27 04:11:55,668 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-10-27 04:11:55,913 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2020-10-27 04:11:56,140 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2020-10-27 04:11:56,375 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2020-10-27 04:11:56,579 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-10-27 04:11:56,954 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2020-10-27 04:11:57,140 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-10-27 04:11:57,324 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-27 04:11:57,525 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-10-27 04:11:57,875 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2020-10-27 04:11:58,097 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 65 [2020-10-27 04:11:58,286 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-27 04:11:58,522 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2020-10-27 04:11:58,747 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-10-27 04:11:59,053 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2020-10-27 04:11:59,302 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 66 [2020-10-27 04:11:59,515 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-10-27 04:11:59,737 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-10-27 04:11:59,936 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-10-27 04:12:00,194 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-10-27 04:12:00,406 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-10-27 04:12:00,796 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2020-10-27 04:12:00,982 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2020-10-27 04:12:01,379 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2020-10-27 04:12:01,587 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2020-10-27 04:12:01,810 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2020-10-27 04:12:02,018 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2020-10-27 04:12:02,235 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2020-10-27 04:12:02,445 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-10-27 04:12:02,705 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2020-10-27 04:12:02,947 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2020-10-27 04:12:03,171 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2020-10-27 04:12:03,419 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2020-10-27 04:12:03,692 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2020-10-27 04:12:03,957 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2020-10-27 04:12:04,250 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2020-10-27 04:12:04,500 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 62 [2020-10-27 04:12:04,749 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-10-27 04:12:05,005 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-10-27 04:12:05,229 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2020-10-27 04:12:05,428 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2020-10-27 04:12:05,643 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-10-27 04:12:06,092 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-10-27 04:12:06,330 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-10-27 04:12:06,580 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2020-10-27 04:12:06,790 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2020-10-27 04:12:07,252 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2020-10-27 04:12:07,485 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-10-27 04:12:10,222 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2020-10-27 04:12:10,507 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2020-10-27 04:12:10,979 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-10-27 04:12:11,184 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2020-10-27 04:12:11,593 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-10-27 04:12:11,806 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-10-27 04:12:12,075 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2020-10-27 04:12:12,295 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-10-27 04:12:12,512 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-10-27 04:12:12,735 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2020-10-27 04:12:14,033 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2020-10-27 04:12:14,263 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-10-27 04:12:14,508 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2020-10-27 04:12:16,966 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-10-27 04:12:17,183 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-10-27 04:12:17,372 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-10-27 04:12:17,661 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-27 04:12:17,964 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2020-10-27 04:12:18,316 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-10-27 04:12:18,710 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2020-10-27 04:12:18,915 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-10-27 04:12:19,133 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-27 04:12:19,382 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2020-10-27 04:12:19,616 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-10-27 04:12:19,834 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-10-27 04:12:20,092 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-27 04:12:20,474 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-10-27 04:12:20,730 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2020-10-27 04:12:20,960 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2020-10-27 04:12:21,188 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-27 04:12:21,387 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-10-27 04:12:21,577 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-10-27 04:12:21,981 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-10-27 04:12:22,216 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-10-27 04:12:22,704 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2020-10-27 04:12:22,966 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-10-27 04:12:23,210 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2020-10-27 04:12:23,429 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2020-10-27 04:12:23,699 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2020-10-27 04:12:23,910 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-10-27 04:12:24,116 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-27 04:12:24,307 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-10-27 04:12:24,581 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2020-10-27 04:12:24,833 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2020-10-27 04:12:26,087 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-10-27 04:12:26,284 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-10-27 04:12:26,524 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-10-27 04:12:26,730 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-10-27 04:12:26,949 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-10-27 04:12:27,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:12:27,075 INFO L93 Difference]: Finished difference Result 1126 states and 1684 transitions. [2020-10-27 04:12:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2020-10-27 04:12:27,078 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 104 [2020-10-27 04:12:27,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:12:27,113 INFO L225 Difference]: With dead ends: 1126 [2020-10-27 04:12:27,113 INFO L226 Difference]: Without dead ends: 1046 [2020-10-27 04:12:27,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 9 SyntacticMatches, 4 SemanticMatches, 400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67931 ImplicationChecksByTransitivity, 63.4s TimeCoverageRelationStatistics Valid=14478, Invalid=146724, Unknown=0, NotChecked=0, Total=161202 [2020-10-27 04:12:27,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2020-10-27 04:12:27,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 687. [2020-10-27 04:12:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-10-27 04:12:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 926 transitions. [2020-10-27 04:12:27,345 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 926 transitions. Word has length 104 [2020-10-27 04:12:27,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:12:27,346 INFO L481 AbstractCegarLoop]: Abstraction has 687 states and 926 transitions. [2020-10-27 04:12:27,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-27 04:12:27,346 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 926 transitions. [2020-10-27 04:12:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-27 04:12:27,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:12:27,358 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 12, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:12:27,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 04:12:27,358 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:12:27,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:12:27,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1526319424, now seen corresponding path program 2 times [2020-10-27 04:12:27,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:12:27,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913136389] [2020-10-27 04:12:27,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:12:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:12:27,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:27,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:12:27,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 04:12:27,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:12:27,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-27 04:12:27,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:12:27,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:12:27,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 04:12:27,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 04:12:27,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:12:27,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:12:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:12:27,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:27,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:12:27,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:12:27,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:12:27,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:12:27,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:12:27,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:12:27,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:12:27,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:12:27,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:12:27,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:12:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:12:27,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:27,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:12:27,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 04:12:27,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:12:27,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:12:27,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:12:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:12:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:12:27,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:12:27,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:12:27,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 04:12:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:12:27,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:27,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:12:27,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 04:12:27,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:12:27,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 04:12:27,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:12:27,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:12:27,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:12:27,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:12:27,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:12:27,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 04:12:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:12:27,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:27,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:12:27,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 04:12:27,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:12:27,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:12:27,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:12:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:12:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 04:12:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:12:27,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:12:27,718 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2020-10-27 04:12:27,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913136389] [2020-10-27 04:12:27,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:12:27,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 04:12:27,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200311425] [2020-10-27 04:12:27,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 04:12:27,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:12:27,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 04:12:27,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 04:12:27,722 INFO L87 Difference]: Start difference. First operand 687 states and 926 transitions. Second operand 4 states. [2020-10-27 04:12:27,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:12:27,877 INFO L93 Difference]: Finished difference Result 1013 states and 1335 transitions. [2020-10-27 04:12:27,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 04:12:27,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2020-10-27 04:12:27,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:12:27,888 INFO L225 Difference]: With dead ends: 1013 [2020-10-27 04:12:27,888 INFO L226 Difference]: Without dead ends: 377 [2020-10-27 04:12:27,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 04:12:27,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-10-27 04:12:27,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 231. [2020-10-27 04:12:27,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-10-27 04:12:27,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 296 transitions. [2020-10-27 04:12:27,918 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 296 transitions. Word has length 104 [2020-10-27 04:12:27,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:12:27,919 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 296 transitions. [2020-10-27 04:12:27,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 04:12:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 296 transitions. [2020-10-27 04:12:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-27 04:12:27,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:12:27,921 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:12:27,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 04:12:27,921 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:12:27,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:12:27,922 INFO L82 PathProgramCache]: Analyzing trace with hash -315992286, now seen corresponding path program 1 times [2020-10-27 04:12:27,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:12:27,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388334399] [2020-10-27 04:12:27,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:12:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:12:27,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:27,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:28,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:28,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:29,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:29,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:32,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:12:32,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 04:12:32,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:12:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 04:12:32,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:12:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-27 04:12:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 04:12:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-27 04:12:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:12:33,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:12:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:12:33,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:33,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:12:33,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:12:33,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:12:33,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:12:33,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:12:33,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:12:33,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:12:33,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:12:33,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:12:33,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 04:12:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:12:33,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:33,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:33,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:33,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:33,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:12:33,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 04:12:33,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:12:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 318 [2020-10-27 04:12:33,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:12:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 04:12:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:12:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 04:12:33,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:12:34,167 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-10-27 04:12:34,336 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-10-27 04:12:34,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 04:12:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:12:34,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:34,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:34,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:35,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:12:35,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 04:12:35,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:12:35,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 712 [2020-10-27 04:12:35,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:12:35,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 04:12:35,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:12:35,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 04:12:35,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:12:36,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 04:12:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:12:36,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:36,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:36,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:12:36,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:12:36,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 04:12:36,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:12:36,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-27 04:12:36,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:12:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:12:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:12:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 04:12:36,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:12:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 107 proven. 365 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-27 04:12:37,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388334399] [2020-10-27 04:12:37,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:12:37,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-27 04:12:37,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294174427] [2020-10-27 04:12:37,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-27 04:12:37,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:12:37,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-27 04:12:37,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1486, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 04:12:37,151 INFO L87 Difference]: Start difference. First operand 231 states and 296 transitions. Second operand 41 states. [2020-10-27 04:12:37,604 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-10-27 04:12:37,811 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2020-10-27 04:12:38,208 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-10-27 04:12:38,431 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-10-27 04:12:38,625 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2020-10-27 04:12:38,780 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-10-27 04:12:38,995 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-10-27 04:12:39,170 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-10-27 04:12:39,743 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-27 04:12:39,905 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-10-27 04:12:40,153 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2020-10-27 04:12:40,383 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-10-27 04:12:40,601 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2020-10-27 04:12:40,768 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-10-27 04:12:41,145 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2020-10-27 04:12:41,368 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2020-10-27 04:12:41,543 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-27 04:12:41,826 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-27 04:12:42,163 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2020-10-27 04:12:42,475 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2020-10-27 04:12:42,867 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 64 [2020-10-27 04:12:43,044 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-27 04:12:43,299 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 60 [2020-10-27 04:12:43,453 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-10-27 04:12:43,727 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2020-10-27 04:12:44,134 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2020-10-27 04:12:44,478 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2020-10-27 04:12:44,710 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-10-27 04:12:44,904 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-10-27 04:12:45,242 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 66 [2020-10-27 04:12:45,528 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 63 [2020-10-27 04:12:45,744 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-10-27 04:12:45,928 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-10-27 04:12:46,238 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2020-10-27 04:12:46,409 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-10-27 04:12:46,711 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2020-10-27 04:12:46,927 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-10-27 04:12:47,149 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2020-10-27 04:12:47,453 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 58 [2020-10-27 04:12:47,633 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-10-27 04:12:47,842 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-10-27 04:12:48,070 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 53 [2020-10-27 04:12:48,255 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2020-10-27 04:12:48,581 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-27 04:12:48,765 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-10-27 04:12:48,992 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-10-27 04:12:49,493 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 59 [2020-10-27 04:12:49,843 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 52 [2020-10-27 04:12:50,210 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2020-10-27 04:12:50,429 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-10-27 04:12:50,672 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2020-10-27 04:12:50,938 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2020-10-27 04:12:51,202 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 65 [2020-10-27 04:12:51,399 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2020-10-27 04:12:51,871 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2020-10-27 04:12:52,225 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2020-10-27 04:12:52,483 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2020-10-27 04:12:52,704 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-27 04:12:53,026 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2020-10-27 04:12:53,288 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 67 [2020-10-27 04:12:53,630 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2020-10-27 04:12:53,969 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-10-27 04:12:54,328 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2020-10-27 04:12:54,643 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-10-27 04:12:55,093 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2020-10-27 04:12:55,307 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2020-10-27 04:12:55,632 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2020-10-27 04:12:55,890 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-10-27 04:12:56,158 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-10-27 04:12:56,475 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2020-10-27 04:12:56,695 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-10-27 04:12:57,102 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2020-10-27 04:12:57,443 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 77 [2020-10-27 04:12:57,774 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2020-10-27 04:12:58,017 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-10-27 04:12:58,597 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-10-27 04:12:58,908 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-10-27 04:12:59,290 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 64 [2020-10-27 04:12:59,485 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2020-10-27 04:13:00,196 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2020-10-27 04:13:00,836 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2020-10-27 04:13:01,191 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2020-10-27 04:13:01,533 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2020-10-27 04:13:01,827 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2020-10-27 04:13:02,142 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2020-10-27 04:13:02,367 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-27 04:13:02,689 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2020-10-27 04:13:03,043 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2020-10-27 04:13:03,373 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2020-10-27 04:13:03,595 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-27 04:13:03,882 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-10-27 04:13:04,222 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2020-10-27 04:13:04,501 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2020-10-27 04:13:04,785 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-27 04:13:05,265 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 63 [2020-10-27 04:13:05,487 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2020-10-27 04:13:05,711 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2020-10-27 04:13:05,969 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-10-27 04:13:06,200 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-27 04:13:06,468 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-10-27 04:13:06,763 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2020-10-27 04:13:07,143 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-27 04:13:07,406 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2020-10-27 04:13:07,623 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-10-27 04:13:07,893 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-10-27 04:13:08,595 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 81 [2020-10-27 04:13:09,195 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2020-10-27 04:13:09,734 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2020-10-27 04:13:10,091 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2020-10-27 04:13:10,460 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2020-10-27 04:13:10,765 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2020-10-27 04:13:11,022 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2020-10-27 04:13:11,247 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-10-27 04:13:11,736 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 86 [2020-10-27 04:13:12,145 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2020-10-27 04:13:12,544 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 72 [2020-10-27 04:13:12,791 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2020-10-27 04:13:13,242 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2020-10-27 04:13:13,640 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2020-10-27 04:13:14,204 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 68 [2020-10-27 04:13:14,499 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2020-10-27 04:13:14,728 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-10-27 04:13:15,008 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 04:13:15,430 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 74 [2020-10-27 04:13:15,702 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-27 04:13:15,914 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-10-27 04:13:16,183 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-10-27 04:13:16,534 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2020-10-27 04:13:16,891 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2020-10-27 04:13:17,237 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 66 [2020-10-27 04:13:17,480 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-10-27 04:13:17,736 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2020-10-27 04:13:17,961 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-10-27 04:13:18,297 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-10-27 04:13:18,553 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2020-10-27 04:13:18,871 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2020-10-27 04:13:19,092 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-10-27 04:13:19,517 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-10-27 04:13:19,741 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-27 04:13:20,200 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2020-10-27 04:13:20,428 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-27 04:13:20,685 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2020-10-27 04:13:21,476 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-10-27 04:13:21,923 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2020-10-27 04:13:22,261 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 64 [2020-10-27 04:13:22,814 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2020-10-27 04:13:23,032 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-10-27 04:13:23,481 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2020-10-27 04:13:24,204 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2020-10-27 04:13:24,684 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2020-10-27 04:13:25,306 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 66 [2020-10-27 04:13:25,906 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2020-10-27 04:13:26,498 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 68 [2020-10-27 04:13:27,217 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 68 [2020-10-27 04:13:27,563 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2020-10-27 04:13:28,016 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 80 [2020-10-27 04:13:28,393 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2020-10-27 04:13:28,734 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2020-10-27 04:13:29,419 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2020-10-27 04:13:29,628 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-10-27 04:13:30,081 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2020-10-27 04:13:30,477 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2020-10-27 04:13:30,682 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-10-27 04:13:31,033 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2020-10-27 04:13:31,364 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-10-27 04:13:31,789 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2020-10-27 04:13:32,123 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2020-10-27 04:13:32,426 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2020-10-27 04:13:33,402 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2020-10-27 04:13:34,100 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2020-10-27 04:13:34,627 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2020-10-27 04:13:35,030 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2020-10-27 04:13:35,607 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 89 [2020-10-27 04:13:36,097 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2020-10-27 04:13:36,921 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2020-10-27 04:13:37,229 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-10-27 04:13:37,484 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-10-27 04:13:37,992 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2020-10-27 04:13:38,544 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 77 [2020-10-27 04:13:38,944 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2020-10-27 04:13:39,176 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-10-27 04:13:39,676 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2020-10-27 04:13:39,941 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-10-27 04:13:40,476 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2020-10-27 04:13:40,733 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-10-27 04:13:41,085 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2020-10-27 04:13:41,456 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2020-10-27 04:13:41,919 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-10-27 04:13:42,286 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-10-27 04:13:42,580 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-27 04:13:42,856 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2020-10-27 04:13:43,069 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-10-27 04:13:43,431 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2020-10-27 04:13:43,689 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-27 04:13:44,020 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2020-10-27 04:13:44,240 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-10-27 04:13:44,829 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2020-10-27 04:13:45,101 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-10-27 04:13:45,387 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-10-27 04:13:45,858 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 79 [2020-10-27 04:13:46,170 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2020-10-27 04:13:46,413 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 04:13:46,719 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2020-10-27 04:13:47,358 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2020-10-27 04:13:48,059 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 65 [2020-10-27 04:13:48,471 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2020-10-27 04:13:48,864 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2020-10-27 04:13:49,134 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2020-10-27 04:13:49,456 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2020-10-27 04:13:49,782 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2020-10-27 04:13:50,606 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2020-10-27 04:13:50,919 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-10-27 04:13:51,306 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2020-10-27 04:13:51,930 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2020-10-27 04:13:52,360 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2020-10-27 04:13:52,698 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-10-27 04:13:53,047 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2020-10-27 04:13:53,339 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-10-27 04:13:53,611 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 55 [2020-10-27 04:13:53,951 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 62 [2020-10-27 04:13:54,835 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 75 [2020-10-27 04:13:55,207 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2020-10-27 04:13:55,537 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-10-27 04:13:55,870 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2020-10-27 04:13:56,166 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-10-27 04:13:56,732 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-10-27 04:13:57,069 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-10-27 04:13:57,391 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2020-10-27 04:13:57,711 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-27 04:13:57,975 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-27 04:13:58,323 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-10-27 04:13:58,797 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2020-10-27 04:13:59,096 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-27 04:13:59,445 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2020-10-27 04:13:59,742 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2020-10-27 04:14:00,001 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2020-10-27 04:14:00,335 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2020-10-27 04:14:01,163 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2020-10-27 04:14:01,585 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2020-10-27 04:14:01,893 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2020-10-27 04:14:02,140 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2020-10-27 04:14:02,549 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-10-27 04:14:02,939 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-10-27 04:14:03,896 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2020-10-27 04:14:04,378 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-10-27 04:14:04,855 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-10-27 04:14:05,660 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2020-10-27 04:14:06,018 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-10-27 04:14:06,353 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-27 04:14:06,841 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2020-10-27 04:14:07,205 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 04:14:07,524 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-10-27 04:14:07,781 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-10-27 04:14:08,282 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 68 [2020-10-27 04:14:08,680 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-10-27 04:14:09,324 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2020-10-27 04:14:09,902 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2020-10-27 04:14:10,214 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-10-27 04:14:10,523 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2020-10-27 04:14:10,843 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-10-27 04:14:11,148 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2020-10-27 04:14:12,154 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2020-10-27 04:14:12,552 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2020-10-27 04:14:12,933 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2020-10-27 04:14:13,365 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2020-10-27 04:14:13,841 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2020-10-27 04:14:14,614 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-10-27 04:14:15,031 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-10-27 04:14:15,359 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2020-10-27 04:14:15,653 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2020-10-27 04:14:16,484 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 86 [2020-10-27 04:14:17,548 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2020-10-27 04:14:18,057 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-10-27 04:14:18,587 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-10-27 04:14:19,081 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2020-10-27 04:14:19,521 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-10-27 04:14:20,122 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-10-27 04:14:20,751 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-10-27 04:14:21,353 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2020-10-27 04:14:21,614 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-27 04:14:22,099 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-10-27 04:14:22,731 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-10-27 04:14:23,543 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2020-10-27 04:14:24,010 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-10-27 04:14:24,495 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62