/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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:16:56,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:16:56,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:16:56,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:16:56,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:16:56,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:16:56,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:16:56,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:16:56,966 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:16:56,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:16:56,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:16:56,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:16:56,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:16:56,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:16:56,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:16:56,969 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:16:56,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:16:56,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:16:56,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:16:56,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:16:56,970 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:16:56,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:16:56,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:16:56,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:16:56,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:16:56,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:16:56,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:16:56,971 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:16:57,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:16:57,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:16:57,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:16:57,387 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:16:57,387 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:16:57,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2021-02-23 23:16:57,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0e47a2c/97f7d91e55e344e78099d48615854052/FLAG22a81ce9e [2021-02-23 23:16:58,345 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:16:58,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2021-02-23 23:16:58,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0e47a2c/97f7d91e55e344e78099d48615854052/FLAG22a81ce9e [2021-02-23 23:16:58,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c0e47a2c/97f7d91e55e344e78099d48615854052 [2021-02-23 23:16:58,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:16:58,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:16:58,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:16:58,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:16:58,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:16:58,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:16:58" (1/1) ... [2021-02-23 23:16:58,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb23ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:16:58, skipping insertion in model container [2021-02-23 23:16:58,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:16:58" (1/1) ... [2021-02-23 23:16:58,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:16:58,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:16:59,172 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41.c[16127,16140] [2021-02-23 23:16:59,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:16:59,240 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:16:59,375 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41.c[16127,16140] [2021-02-23 23:16:59,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:16:59,434 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:16:59,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:16:59 WrapperNode [2021-02-23 23:16:59,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:16:59,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:16:59,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:16:59,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:16:59,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:16:59" (1/1) ... [2021-02-23 23:16:59,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:16:59" (1/1) ... [2021-02-23 23:16:59,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:16:59" (1/1) ... [2021-02-23 23:16:59,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:16:59" (1/1) ... [2021-02-23 23:16:59,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:16:59" (1/1) ... [2021-02-23 23:16:59,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:16:59" (1/1) ... [2021-02-23 23:16:59,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:16:59" (1/1) ... [2021-02-23 23:16:59,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:16:59,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:16:59,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:16:59,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:16:59,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:16:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2021-02-23 23:16:59,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:16:59,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:16:59,654 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:16:59,654 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-23 23:16:59,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:16:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-23 23:16:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:16:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:16:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:16:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:16:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 23:16:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:16:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:16:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:16:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:16:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:16:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:16:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:16:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:17:01,031 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:17:01,032 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 23:17:01,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:17:01 BoogieIcfgContainer [2021-02-23 23:17:01,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:17:01,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:17:01,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:17:01,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:17:01,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:16:58" (1/3) ... [2021-02-23 23:17:01,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0de47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:17:01, skipping insertion in model container [2021-02-23 23:17:01,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:16:59" (2/3) ... [2021-02-23 23:17:01,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0de47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:17:01, skipping insertion in model container [2021-02-23 23:17:01,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:17:01" (3/3) ... [2021-02-23 23:17:01,045 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label41.c [2021-02-23 23:17:01,053 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:17:01,059 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:17:01,079 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:17:01,106 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:17:01,107 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:17:01,107 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:17:01,107 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:17:01,107 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:17:01,108 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:17:01,108 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:17:01,108 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:17:01,136 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states. [2021-02-23 23:17:01,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-02-23 23:17:01,161 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:17:01,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:17:01,162 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:17:01,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:17:01,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1915711037, now seen corresponding path program 1 times [2021-02-23 23:17:01,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:17:01,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789473699] [2021-02-23 23:17:01,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:17:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:01,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:01,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:01,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:01,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:01,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:01,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:01,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:01,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:01,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:17:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:01,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:01,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:01,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:01,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:17:01,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:17:01,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789473699] [2021-02-23 23:17:01,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:17:01,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:17:01,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812789709] [2021-02-23 23:17:01,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:17:01,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:17:01,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:17:01,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:17:01,861 INFO L87 Difference]: Start difference. First operand 534 states. Second operand 4 states. [2021-02-23 23:17:04,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:17:04,403 INFO L93 Difference]: Finished difference Result 1244 states and 1642 transitions. [2021-02-23 23:17:04,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 23:17:04,408 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2021-02-23 23:17:04,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:17:04,430 INFO L225 Difference]: With dead ends: 1244 [2021-02-23 23:17:04,431 INFO L226 Difference]: Without dead ends: 669 [2021-02-23 23:17:04,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:17:04,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2021-02-23 23:17:04,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 613. [2021-02-23 23:17:04,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2021-02-23 23:17:04,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 723 transitions. [2021-02-23 23:17:04,639 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 723 transitions. Word has length 121 [2021-02-23 23:17:04,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:17:04,640 INFO L480 AbstractCegarLoop]: Abstraction has 613 states and 723 transitions. [2021-02-23 23:17:04,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:17:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 723 transitions. [2021-02-23 23:17:04,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-02-23 23:17:04,648 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:17:04,648 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:17:04,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:17:04,649 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:17:04,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:17:04,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1035829067, now seen corresponding path program 1 times [2021-02-23 23:17:04,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:17:04,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1903947908] [2021-02-23 23:17:04,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:17:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:04,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:04,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:04,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:04,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:04,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:04,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:04,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:04,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:04,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:17:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:05,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:05,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:05,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:17:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:05,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:05,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:05,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:05,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:17:05,059 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:17:05,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1903947908] [2021-02-23 23:17:05,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:17:05,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-02-23 23:17:05,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417986149] [2021-02-23 23:17:05,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:17:05,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:17:05,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:17:05,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:17:05,063 INFO L87 Difference]: Start difference. First operand 613 states and 723 transitions. Second operand 5 states. [2021-02-23 23:17:07,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:17:07,208 INFO L93 Difference]: Finished difference Result 1532 states and 1883 transitions. [2021-02-23 23:17:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 23:17:07,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2021-02-23 23:17:07,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:17:07,218 INFO L225 Difference]: With dead ends: 1532 [2021-02-23 23:17:07,218 INFO L226 Difference]: Without dead ends: 951 [2021-02-23 23:17:07,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-23 23:17:07,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2021-02-23 23:17:07,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 899. [2021-02-23 23:17:07,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2021-02-23 23:17:07,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1080 transitions. [2021-02-23 23:17:07,384 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1080 transitions. Word has length 138 [2021-02-23 23:17:07,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:17:07,385 INFO L480 AbstractCegarLoop]: Abstraction has 899 states and 1080 transitions. [2021-02-23 23:17:07,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:17:07,385 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1080 transitions. [2021-02-23 23:17:07,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-02-23 23:17:07,391 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:17:07,394 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:17:07,395 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:17:07,395 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:17:07,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:17:07,396 INFO L82 PathProgramCache]: Analyzing trace with hash 772317291, now seen corresponding path program 1 times [2021-02-23 23:17:07,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:17:07,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481341801] [2021-02-23 23:17:07,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:17:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:07,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:07,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:07,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:07,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:07,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:07,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:07,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:17:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:07,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:07,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:07,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:07,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:07,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:17:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:07,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:07,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:07,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:07,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:17:07,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481341801] [2021-02-23 23:17:07,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:17:07,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 23:17:07,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224637845] [2021-02-23 23:17:07,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:17:07,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:17:07,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:17:07,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:17:07,680 INFO L87 Difference]: Start difference. First operand 899 states and 1080 transitions. Second operand 7 states. [2021-02-23 23:17:10,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:17:10,568 INFO L93 Difference]: Finished difference Result 2549 states and 3186 transitions. [2021-02-23 23:17:10,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:17:10,569 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 143 [2021-02-23 23:17:10,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:17:10,591 INFO L225 Difference]: With dead ends: 2549 [2021-02-23 23:17:10,591 INFO L226 Difference]: Without dead ends: 1682 [2021-02-23 23:17:10,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:17:10,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2021-02-23 23:17:10,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1565. [2021-02-23 23:17:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2021-02-23 23:17:10,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1891 transitions. [2021-02-23 23:17:10,993 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1891 transitions. Word has length 143 [2021-02-23 23:17:10,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:17:10,994 INFO L480 AbstractCegarLoop]: Abstraction has 1565 states and 1891 transitions. [2021-02-23 23:17:10,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:17:10,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1891 transitions. [2021-02-23 23:17:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-02-23 23:17:11,008 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:17:11,008 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:17:11,009 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:17:11,009 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:17:11,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:17:11,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1476813909, now seen corresponding path program 1 times [2021-02-23 23:17:11,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:17:11,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543495544] [2021-02-23 23:17:11,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:17:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:11,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:11,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:11,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:11,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:11,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:11,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:11,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:11,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:11,243 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-23 23:17:11,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:17:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:11,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:11,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:11,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:11,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:17:11,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:17:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:11,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:11,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:11,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:11,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:11,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 23:17:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:11,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:11,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:11,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:11,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:17:11,385 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-02-23 23:17:11,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543495544] [2021-02-23 23:17:11,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:17:11,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:17:11,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98516017] [2021-02-23 23:17:11,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:17:11,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:17:11,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:17:11,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:17:11,389 INFO L87 Difference]: Start difference. First operand 1565 states and 1891 transitions. Second operand 7 states. [2021-02-23 23:17:14,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:17:14,183 INFO L93 Difference]: Finished difference Result 3665 states and 4597 transitions. [2021-02-23 23:17:14,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:17:14,184 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2021-02-23 23:17:14,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:17:14,207 INFO L225 Difference]: With dead ends: 3665 [2021-02-23 23:17:14,207 INFO L226 Difference]: Without dead ends: 2132 [2021-02-23 23:17:14,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:17:14,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2021-02-23 23:17:14,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2039. [2021-02-23 23:17:14,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2039 states. [2021-02-23 23:17:14,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 2039 states and 2467 transitions. [2021-02-23 23:17:14,762 INFO L78 Accepts]: Start accepts. Automaton has 2039 states and 2467 transitions. Word has length 164 [2021-02-23 23:17:14,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:17:14,763 INFO L480 AbstractCegarLoop]: Abstraction has 2039 states and 2467 transitions. [2021-02-23 23:17:14,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:17:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2467 transitions. [2021-02-23 23:17:14,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-02-23 23:17:14,773 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:17:14,774 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:17:14,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 23:17:14,781 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:17:14,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:17:14,782 INFO L82 PathProgramCache]: Analyzing trace with hash -113715200, now seen corresponding path program 1 times [2021-02-23 23:17:14,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:17:14,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078515418] [2021-02-23 23:17:14,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:17:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:14,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:14,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:14,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:14,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:14,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:14,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:15,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:17:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:15,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:15,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:15,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:15,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:17:15,031 WARN L141 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-02-23 23:17:15,031 WARN L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-02-23 23:17:15,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:17:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:15,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:15,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:15,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:15,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:17:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:17:15,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078515418] [2021-02-23 23:17:15,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:17:15,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 23:17:15,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412981716] [2021-02-23 23:17:15,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:17:15,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:17:15,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:17:15,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:17:15,143 INFO L87 Difference]: Start difference. First operand 2039 states and 2467 transitions. Second operand 8 states. [2021-02-23 23:17:15,901 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:17:18,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:17:18,676 INFO L93 Difference]: Finished difference Result 5695 states and 7091 transitions. [2021-02-23 23:17:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:17:18,677 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 164 [2021-02-23 23:17:18,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:17:18,710 INFO L225 Difference]: With dead ends: 5695 [2021-02-23 23:17:18,710 INFO L226 Difference]: Without dead ends: 3688 [2021-02-23 23:17:18,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2021-02-23 23:17:18,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2021-02-23 23:17:19,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 3541. [2021-02-23 23:17:19,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3541 states. [2021-02-23 23:17:19,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4285 transitions. [2021-02-23 23:17:19,494 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4285 transitions. Word has length 164 [2021-02-23 23:17:19,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:17:19,495 INFO L480 AbstractCegarLoop]: Abstraction has 3541 states and 4285 transitions. [2021-02-23 23:17:19,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:17:19,495 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4285 transitions. [2021-02-23 23:17:19,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-02-23 23:17:19,508 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:17:19,509 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:17:19,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 23:17:19,509 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:17:19,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:17:19,510 INFO L82 PathProgramCache]: Analyzing trace with hash -711342642, now seen corresponding path program 1 times [2021-02-23 23:17:19,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:17:19,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077698590] [2021-02-23 23:17:19,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:17:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:19,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:19,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:19,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:19,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:19,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:19,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:19,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:19,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:19,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:17:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:19,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:19,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:19,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:19,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:17:19,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:17:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:19,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:19,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:19,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:19,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:19,724 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:17:19,725 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:17:19,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 23:17:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:19,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:19,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:19,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:19,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:17:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 23:17:19,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077698590] [2021-02-23 23:17:19,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:17:19,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:17:19,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103868473] [2021-02-23 23:17:19,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:17:19,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:17:19,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:17:19,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:17:19,897 INFO L87 Difference]: Start difference. First operand 3541 states and 4285 transitions. Second operand 8 states. [2021-02-23 23:17:20,123 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-02-23 23:17:20,724 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:17:24,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:17:24,369 INFO L93 Difference]: Finished difference Result 7371 states and 8930 transitions. [2021-02-23 23:17:24,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-23 23:17:24,370 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2021-02-23 23:17:24,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:17:24,398 INFO L225 Difference]: With dead ends: 7371 [2021-02-23 23:17:24,399 INFO L226 Difference]: Without dead ends: 4003 [2021-02-23 23:17:24,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-02-23 23:17:24,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4003 states. [2021-02-23 23:17:25,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4003 to 3885. [2021-02-23 23:17:25,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3885 states. [2021-02-23 23:17:25,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 4665 transitions. [2021-02-23 23:17:25,136 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 4665 transitions. Word has length 181 [2021-02-23 23:17:25,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:17:25,137 INFO L480 AbstractCegarLoop]: Abstraction has 3885 states and 4665 transitions. [2021-02-23 23:17:25,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:17:25,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 4665 transitions. [2021-02-23 23:17:25,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-02-23 23:17:25,159 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:17:25,159 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:17:25,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 23:17:25,161 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:17:25,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:17:25,162 INFO L82 PathProgramCache]: Analyzing trace with hash -444301037, now seen corresponding path program 1 times [2021-02-23 23:17:25,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:17:25,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484437379] [2021-02-23 23:17:25,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:17:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:25,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:25,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:25,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:25,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:25,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:25,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:25,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:25,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:25,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:17:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:25,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:25,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:25,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:25,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:17:25,373 WARN L141 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-02-23 23:17:25,374 WARN L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-02-23 23:17:25,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:17:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:25,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:25,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:25,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:25,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:25,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 23:17:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:25,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:25,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:25,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:25,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:17:25,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 23:17:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:25,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:25,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:25,524 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 81 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-02-23 23:17:25,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484437379] [2021-02-23 23:17:25,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:17:25,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:17:25,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617287884] [2021-02-23 23:17:25,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:17:25,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:17:25,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:17:25,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:17:25,528 INFO L87 Difference]: Start difference. First operand 3885 states and 4665 transitions. Second operand 8 states. [2021-02-23 23:17:26,813 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:17:29,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:17:29,298 INFO L93 Difference]: Finished difference Result 8586 states and 10348 transitions. [2021-02-23 23:17:29,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:17:29,299 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 215 [2021-02-23 23:17:29,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:17:29,335 INFO L225 Difference]: With dead ends: 8586 [2021-02-23 23:17:29,336 INFO L226 Difference]: Without dead ends: 4874 [2021-02-23 23:17:29,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2021-02-23 23:17:29,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4874 states. [2021-02-23 23:17:30,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4874 to 4477. [2021-02-23 23:17:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4477 states. [2021-02-23 23:17:30,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 4477 states and 5354 transitions. [2021-02-23 23:17:30,149 INFO L78 Accepts]: Start accepts. Automaton has 4477 states and 5354 transitions. Word has length 215 [2021-02-23 23:17:30,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:17:30,149 INFO L480 AbstractCegarLoop]: Abstraction has 4477 states and 5354 transitions. [2021-02-23 23:17:30,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:17:30,149 INFO L276 IsEmpty]: Start isEmpty. Operand 4477 states and 5354 transitions. [2021-02-23 23:17:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-02-23 23:17:30,164 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:17:30,165 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:17:30,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 23:17:30,165 INFO L428 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:17:30,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:17:30,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1631179211, now seen corresponding path program 1 times [2021-02-23 23:17:30,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:17:30,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884095816] [2021-02-23 23:17:30,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:17:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:30,289 WARN L141 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-02-23 23:17:30,290 WARN L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-02-23 23:17:30,299 WARN L141 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-02-23 23:17:30,301 WARN L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-02-23 23:17:30,304 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-23 23:17:30,305 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-23 23:17:30,314 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-02-23 23:17:30,319 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-02-23 23:17:30,334 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-02-23 23:17:30,335 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-02-23 23:17:30,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:30,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:17:30,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:30,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:30,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:17:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:30,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:30,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:30,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:30,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:30,446 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:17:30,447 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:17:30,461 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-23 23:17:30,462 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-23 23:17:30,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:17:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:30,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:30,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:30,507 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-23 23:17:30,508 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-23 23:17:30,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 23:17:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:30,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:30,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:30,535 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-23 23:17:30,539 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-23 23:17:30,540 WARN L141 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-02-23 23:17:30,540 WARN L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-02-23 23:17:30,556 WARN L141 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-02-23 23:17:30,557 WARN L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-02-23 23:17:30,576 WARN L141 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-02-23 23:17:30,577 WARN L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-02-23 23:17:30,795 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 72 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-02-23 23:17:30,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884095816] [2021-02-23 23:17:30,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:17:30,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-23 23:17:30,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785866841] [2021-02-23 23:17:30,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 23:17:30,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:17:30,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 23:17:30,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:17:30,798 INFO L87 Difference]: Start difference. First operand 4477 states and 5354 transitions. Second operand 13 states. [2021-02-23 23:17:31,026 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-23 23:17:32,515 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-02-23 23:17:32,928 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2021-02-23 23:17:33,608 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-23 23:17:34,084 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-02-23 23:17:36,440 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-02-23 23:17:37,899 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-23 23:17:38,214 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-02-23 23:17:39,656 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-02-23 23:17:39,778 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-23 23:17:43,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:17:43,255 INFO L93 Difference]: Finished difference Result 12540 states and 15470 transitions. [2021-02-23 23:17:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-23 23:17:43,255 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 214 [2021-02-23 23:17:43,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:17:43,304 INFO L225 Difference]: With dead ends: 12540 [2021-02-23 23:17:43,305 INFO L226 Difference]: Without dead ends: 8077 [2021-02-23 23:17:43,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=402, Invalid=1158, Unknown=0, NotChecked=0, Total=1560 [2021-02-23 23:17:43,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8077 states. [2021-02-23 23:17:44,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8077 to 5499. [2021-02-23 23:17:44,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5499 states. [2021-02-23 23:17:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5499 states to 5499 states and 6484 transitions. [2021-02-23 23:17:44,492 INFO L78 Accepts]: Start accepts. Automaton has 5499 states and 6484 transitions. Word has length 214 [2021-02-23 23:17:44,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:17:44,493 INFO L480 AbstractCegarLoop]: Abstraction has 5499 states and 6484 transitions. [2021-02-23 23:17:44,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 23:17:44,493 INFO L276 IsEmpty]: Start isEmpty. Operand 5499 states and 6484 transitions. [2021-02-23 23:17:44,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-02-23 23:17:44,511 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:17:44,512 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:17:44,512 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 23:17:44,512 INFO L428 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:17:44,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:17:44,513 INFO L82 PathProgramCache]: Analyzing trace with hash 2052363477, now seen corresponding path program 1 times [2021-02-23 23:17:44,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:17:44,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523672631] [2021-02-23 23:17:44,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:17:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:44,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:44,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:44,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:44,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:44,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:44,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:17:44,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:44,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:44,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:17:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:44,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:44,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:44,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:44,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:44,686 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:17:44,687 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:17:44,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:17:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:44,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:44,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:44,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:44,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:44,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:44,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:44,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 23:17:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:44,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:44,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:17:44,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:44,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:17:44,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-02-23 23:17:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:44,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:44,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 129 proven. 21 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-02-23 23:17:44,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523672631] [2021-02-23 23:17:44,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:17:44,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-02-23 23:17:44,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322788937] [2021-02-23 23:17:44,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 23:17:44,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:17:44,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 23:17:44,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-02-23 23:17:44,897 INFO L87 Difference]: Start difference. First operand 5499 states and 6484 transitions. Second operand 11 states. [2021-02-23 23:17:45,280 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-02-23 23:17:45,795 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2021-02-23 23:17:51,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:17:51,655 INFO L93 Difference]: Finished difference Result 11797 states and 13866 transitions. [2021-02-23 23:17:51,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-23 23:17:51,656 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 257 [2021-02-23 23:17:51,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:17:51,687 INFO L225 Difference]: With dead ends: 11797 [2021-02-23 23:17:51,687 INFO L226 Difference]: Without dead ends: 6471 [2021-02-23 23:17:51,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2021-02-23 23:17:51,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6471 states. [2021-02-23 23:17:53,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6471 to 6128. [2021-02-23 23:17:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6128 states. [2021-02-23 23:17:53,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6128 states to 6128 states and 7107 transitions. [2021-02-23 23:17:53,018 INFO L78 Accepts]: Start accepts. Automaton has 6128 states and 7107 transitions. Word has length 257 [2021-02-23 23:17:53,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:17:53,019 INFO L480 AbstractCegarLoop]: Abstraction has 6128 states and 7107 transitions. [2021-02-23 23:17:53,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 23:17:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 6128 states and 7107 transitions. [2021-02-23 23:17:53,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-02-23 23:17:53,040 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:17:53,040 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:17:53,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 23:17:53,040 INFO L428 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:17:53,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:17:53,041 INFO L82 PathProgramCache]: Analyzing trace with hash -468622912, now seen corresponding path program 1 times [2021-02-23 23:17:53,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:17:53,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576781079] [2021-02-23 23:17:53,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:17:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:53,190 WARN L141 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-02-23 23:17:53,192 WARN L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-02-23 23:17:53,199 WARN L141 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-02-23 23:17:53,202 WARN L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-02-23 23:17:53,204 WARN L141 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-02-23 23:17:53,205 WARN L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-02-23 23:17:53,216 WARN L141 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-02-23 23:17:53,217 WARN L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-02-23 23:17:53,231 WARN L141 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-02-23 23:17:53,232 WARN L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-02-23 23:17:53,252 WARN L141 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-02-23 23:17:53,254 WARN L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-02-23 23:17:53,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:53,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:53,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:17:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:53,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:53,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:53,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:53,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:53,381 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:17:53,382 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:17:53,400 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-23 23:17:53,401 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-23 23:17:53,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:17:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:53,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:53,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:17:53,441 WARN L141 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-02-23 23:17:53,442 WARN L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-02-23 23:17:53,460 WARN L141 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-02-23 23:17:53,461 WARN L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-02-23 23:17:53,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 23:17:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:53,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:53,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:53,511 WARN L141 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-02-23 23:17:53,511 WARN L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-02-23 23:17:53,512 WARN L141 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-02-23 23:17:53,513 WARN L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-02-23 23:17:53,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-02-23 23:17:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:17:53,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:17:53,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:17:53,572 WARN L141 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-02-23 23:17:53,573 WARN L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-02-23 23:17:53,574 WARN L141 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-02-23 23:17:53,574 WARN L147 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size 22 [2021-02-23 23:17:53,601 WARN L141 QuantifierPusher]: treesize reduction 6, result has 80.6 percent of original size [2021-02-23 23:17:53,602 WARN L147 QuantifierPusher]: treesize reduction 6, result has 80.6 percent of original size 25 [2021-02-23 23:17:53,954 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 124 proven. 33 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-02-23 23:17:53,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1576781079] [2021-02-23 23:17:53,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:17:53,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-02-23 23:17:53,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893253050] [2021-02-23 23:17:53,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-23 23:17:53,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:17:53,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-23 23:17:53,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-02-23 23:17:53,957 INFO L87 Difference]: Start difference. First operand 6128 states and 7107 transitions. Second operand 15 states. [2021-02-23 23:17:54,237 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-02-23 23:17:54,704 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-02-23 23:17:56,525 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2021-02-23 23:17:57,489 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-02-23 23:17:59,058 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-02-23 23:17:59,454 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2021-02-23 23:18:00,587 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-02-23 23:18:00,988 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2021-02-23 23:18:02,577 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-02-23 23:18:03,319 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-02-23 23:18:04,225 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-02-23 23:18:05,695 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-02-23 23:18:06,991 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-02-23 23:18:07,848 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2021-02-23 23:18:09,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:18:09,465 INFO L93 Difference]: Finished difference Result 15006 states and 17720 transitions. [2021-02-23 23:18:09,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-02-23 23:18:09,466 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 263 [2021-02-23 23:18:09,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:18:09,505 INFO L225 Difference]: With dead ends: 15006 [2021-02-23 23:18:09,506 INFO L226 Difference]: Without dead ends: 8576 [2021-02-23 23:18:09,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=871, Invalid=2669, Unknown=0, NotChecked=0, Total=3540 [2021-02-23 23:18:09,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8576 states. [2021-02-23 23:18:11,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8576 to 8359. [2021-02-23 23:18:11,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8359 states. [2021-02-23 23:18:11,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8359 states to 8359 states and 9565 transitions. [2021-02-23 23:18:11,166 INFO L78 Accepts]: Start accepts. Automaton has 8359 states and 9565 transitions. Word has length 263 [2021-02-23 23:18:11,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:18:11,166 INFO L480 AbstractCegarLoop]: Abstraction has 8359 states and 9565 transitions. [2021-02-23 23:18:11,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-23 23:18:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 8359 states and 9565 transitions. [2021-02-23 23:18:11,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-02-23 23:18:11,191 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:18:11,191 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:18:11,191 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 23:18:11,191 INFO L428 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:18:11,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:18:11,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1485517836, now seen corresponding path program 1 times [2021-02-23 23:18:11,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:18:11,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1093101177] [2021-02-23 23:18:11,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:18:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:11,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:11,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:11,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:11,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:11,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:11,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:11,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:18:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:11,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:11,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:11,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:18:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:11,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:11,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:11,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:11,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:18:11,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 23:18:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:11,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:11,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:11,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:11,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:11,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-02-23 23:18:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:11,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:11,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:11,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 23:18:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:11,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:11,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 176 proven. 33 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-02-23 23:18:11,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1093101177] [2021-02-23 23:18:11,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:18:11,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:18:11,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968176972] [2021-02-23 23:18:11,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:18:11,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:18:11,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:18:11,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:18:11,500 INFO L87 Difference]: Start difference. First operand 8359 states and 9565 transitions. Second operand 7 states. [2021-02-23 23:18:15,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:18:15,202 INFO L93 Difference]: Finished difference Result 17133 states and 19658 transitions. [2021-02-23 23:18:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 23:18:15,203 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 289 [2021-02-23 23:18:15,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:18:15,259 INFO L225 Difference]: With dead ends: 17133 [2021-02-23 23:18:15,259 INFO L226 Difference]: Without dead ends: 8952 [2021-02-23 23:18:15,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:18:15,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8952 states. [2021-02-23 23:18:17,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8952 to 8841. [2021-02-23 23:18:17,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8841 states. [2021-02-23 23:18:17,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8841 states to 8841 states and 9991 transitions. [2021-02-23 23:18:17,414 INFO L78 Accepts]: Start accepts. Automaton has 8841 states and 9991 transitions. Word has length 289 [2021-02-23 23:18:17,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:18:17,415 INFO L480 AbstractCegarLoop]: Abstraction has 8841 states and 9991 transitions. [2021-02-23 23:18:17,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:18:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand 8841 states and 9991 transitions. [2021-02-23 23:18:17,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-02-23 23:18:17,442 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:18:17,442 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:18:17,442 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 23:18:17,443 INFO L428 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:18:17,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:18:17,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1148411767, now seen corresponding path program 1 times [2021-02-23 23:18:17,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:18:17,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378826255] [2021-02-23 23:18:17,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:18:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:17,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:17,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:17,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:17,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:17,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:18:17,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:17,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:18:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:17,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:17,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:18:17,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:18:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:17,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:17,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:17,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 23:18:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:17,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:17,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:17,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-02-23 23:18:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:17,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:17,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:17,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:18:17,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 23:18:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:17,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:18:17,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:18:17,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-23 23:18:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:17,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:17,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:17,975 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 227 proven. 22 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-02-23 23:18:17,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378826255] [2021-02-23 23:18:17,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:18:17,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:18:17,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915781318] [2021-02-23 23:18:17,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:18:17,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:18:17,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:18:17,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:18:17,978 INFO L87 Difference]: Start difference. First operand 8841 states and 9991 transitions. Second operand 8 states. [2021-02-23 23:18:18,377 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:18:23,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:18:23,774 INFO L93 Difference]: Finished difference Result 18527 states and 20935 transitions. [2021-02-23 23:18:23,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:18:23,775 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 308 [2021-02-23 23:18:23,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:18:23,814 INFO L225 Difference]: With dead ends: 18527 [2021-02-23 23:18:23,815 INFO L226 Difference]: Without dead ends: 9923 [2021-02-23 23:18:23,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:18:23,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9923 states. [2021-02-23 23:18:25,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9923 to 9769. [2021-02-23 23:18:25,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9769 states. [2021-02-23 23:18:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9769 states to 9769 states and 10587 transitions. [2021-02-23 23:18:25,586 INFO L78 Accepts]: Start accepts. Automaton has 9769 states and 10587 transitions. Word has length 308 [2021-02-23 23:18:25,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:18:25,586 INFO L480 AbstractCegarLoop]: Abstraction has 9769 states and 10587 transitions. [2021-02-23 23:18:25,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:18:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 9769 states and 10587 transitions. [2021-02-23 23:18:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-02-23 23:18:25,601 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:18:25,601 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:18:25,601 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-23 23:18:25,601 INFO L428 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:18:25,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:18:25,602 INFO L82 PathProgramCache]: Analyzing trace with hash -679433546, now seen corresponding path program 1 times [2021-02-23 23:18:25,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:18:25,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422205828] [2021-02-23 23:18:25,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:18:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:25,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:25,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:25,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:25,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:18:25,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:25,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:18:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:25,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:25,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:18:25,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:18:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:25,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:25,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:25,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-02-23 23:18:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:25,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:25,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:25,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:18:25,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-23 23:18:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:25,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:18:25,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:18:25,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-23 23:18:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:25,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:25,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 243 proven. 18 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-02-23 23:18:26,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422205828] [2021-02-23 23:18:26,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:18:26,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:18:26,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791420401] [2021-02-23 23:18:26,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:18:26,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:18:26,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:18:26,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:18:26,241 INFO L87 Difference]: Start difference. First operand 9769 states and 10587 transitions. Second operand 8 states. [2021-02-23 23:18:26,430 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-23 23:18:26,583 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-23 23:18:27,695 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:18:30,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:18:30,967 INFO L93 Difference]: Finished difference Result 18007 states and 19535 transitions. [2021-02-23 23:18:30,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:18:30,967 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 340 [2021-02-23 23:18:30,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:18:31,009 INFO L225 Difference]: With dead ends: 18007 [2021-02-23 23:18:31,010 INFO L226 Difference]: Without dead ends: 9965 [2021-02-23 23:18:31,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-02-23 23:18:31,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9965 states. [2021-02-23 23:18:32,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9965 to 9642. [2021-02-23 23:18:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9642 states. [2021-02-23 23:18:33,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9642 states to 9642 states and 10417 transitions. [2021-02-23 23:18:33,007 INFO L78 Accepts]: Start accepts. Automaton has 9642 states and 10417 transitions. Word has length 340 [2021-02-23 23:18:33,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:18:33,008 INFO L480 AbstractCegarLoop]: Abstraction has 9642 states and 10417 transitions. [2021-02-23 23:18:33,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:18:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 9642 states and 10417 transitions. [2021-02-23 23:18:33,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-02-23 23:18:33,022 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:18:33,022 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:18:33,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-23 23:18:33,023 INFO L428 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:18:33,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:18:33,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1720303407, now seen corresponding path program 1 times [2021-02-23 23:18:33,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:18:33,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164707290] [2021-02-23 23:18:33,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:18:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:33,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:33,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:33,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:33,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:18:33,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:18:33,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:18:33,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:33,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:18:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:33,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:33,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:33,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:18:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:33,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:33,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-02-23 23:18:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:33,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:33,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-23 23:18:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:33,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:33,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-02-23 23:18:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:33,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:33,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:18:33,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-02-23 23:18:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:18:33,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:18:33,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:18:33,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:18:33,452 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 228 proven. 42 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-02-23 23:18:33,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [164707290] [2021-02-23 23:18:33,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:18:33,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:18:33,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714042682] [2021-02-23 23:18:33,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:18:33,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:18:33,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:18:33,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:18:33,454 INFO L87 Difference]: Start difference. First operand 9642 states and 10417 transitions. Second operand 7 states. [2021-02-23 23:18:36,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:18:36,996 INFO L93 Difference]: Finished difference Result 16467 states and 17822 transitions. [2021-02-23 23:18:36,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 23:18:36,996 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 361 [2021-02-23 23:18:36,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:18:37,005 INFO L225 Difference]: With dead ends: 16467 [2021-02-23 23:18:37,006 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:18:37,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-02-23 23:18:37,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:18:37,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:18:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:18:37,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:18:37,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 361 [2021-02-23 23:18:37,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:18:37,029 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:18:37,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:18:37,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:18:37,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:18:37,030 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-23 23:18:37,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:18:37,543 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-23 23:18:37,889 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-23 23:18:46,825 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:47,055 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:47,238 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:47,442 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:47,573 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:47,692 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:47,809 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:47,973 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:48,090 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:48,207 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:48,326 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:48,443 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:48,558 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:48,681 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:48,797 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:48,912 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:49,031 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:49,148 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:49,267 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:49,384 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:49,500 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:49,617 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:49,734 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:49,857 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:49,971 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:50,085 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:50,204 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:50,317 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:50,433 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:50,547 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:50,674 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:50,788 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:50,906 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:51,024 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:51,142 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:51,265 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:51,382 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:51,507 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:51,621 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:51,740 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:51,858 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:51,974 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:52,096 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:52,214 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:52,332 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:52,449 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:52,564 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:52,694 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:52,816 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:52,937 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:53,056 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:53,172 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:53,286 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:53,401 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:53,514 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:53,630 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:53,743 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:53,862 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:53,978 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:54,103 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:54,223 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:54,337 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:54,453 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:54,572 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:54,690 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:54,807 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:54,924 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:55,037 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:55,152 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:55,269 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:55,384 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:55,498 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:55,610 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:55,736 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:55,855 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:55,969 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:56,086 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:56,202 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:56,320 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:56,437 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:56,555 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:56,673 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:56,793 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:56,912 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:57,030 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:57,144 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:57,257 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:57,376 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:57,494 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:57,612 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:57,736 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:57,853 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:57,965 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:58,083 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:58,201 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:58,319 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:58,435 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:58,554 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:58,669 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:58,783 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:58,901 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:59,019 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:59,143 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:59,264 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:59,377 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:59,493 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:59,614 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:59,729 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:18:59,847 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:18:59,964 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:19:00,079 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:19:00,196 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:19:00,312 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:19:00,430 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:19:00,550 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:19:00,668 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:19:00,785 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:19:03,611 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 211 [2021-02-23 23:19:29,092 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:29,224 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:29,356 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:29,526 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:29,659 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:29,795 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:29,961 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:30,178 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:30,309 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:30,440 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:30,575 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:30,706 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:30,840 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:30,972 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:31,104 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:31,237 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:31,367 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:31,532 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:31,664 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:31,794 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:31,924 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:32,058 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:32,204 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:32,336 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:32,466 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:32,611 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:32,741 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:32,881 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:33,013 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:33,180 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:33,317 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:33,449 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2021-02-23 23:19:37,848 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:37,979 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:38,109 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:38,240 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:38,371 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:38,479 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-02-23 23:19:38,592 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-02-23 23:19:38,729 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:38,838 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-02-23 23:19:38,988 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:39,095 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-02-23 23:19:39,203 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-02-23 23:19:39,336 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:39,465 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:39,593 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:39,723 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:39,854 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:39,982 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:40,111 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:40,219 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-02-23 23:19:40,349 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:40,478 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:40,606 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:40,735 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:40,866 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:40,998 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:41,127 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-02-23 23:19:41,257 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:41,387 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:41,502 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-02-23 23:19:41,634 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:41,766 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:41,895 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:42,031 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:42,160 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:42,268 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-02-23 23:19:42,398 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:42,530 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:42,659 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:42,770 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-02-23 23:19:42,907 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:43,038 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:43,175 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:19:43,320 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2021-02-23 23:20:28,824 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 211 [2021-02-23 23:20:35,450 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 211 [2021-02-23 23:20:36,385 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 211 [2021-02-23 23:20:37,103 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 211 [2021-02-23 23:21:27,492 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 122 [2021-02-23 23:21:29,640 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2021-02-23 23:21:31,058 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:31,189 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:31,320 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:31,485 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:31,616 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:31,750 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:31,913 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:32,124 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:32,254 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:32,384 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:32,518 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:32,651 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:32,785 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:32,915 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:33,046 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:33,180 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:33,311 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:33,521 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:33,651 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:33,781 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:33,914 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:34,046 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:34,202 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:34,394 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:34,581 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:34,713 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:34,874 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:35,018 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:35,149 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2021-02-23 23:21:38,463 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:38,581 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:38,699 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:38,817 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:38,931 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:39,050 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:39,190 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:39,306 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:39,423 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:39,540 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:39,659 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:39,775 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:39,890 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:40,008 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:40,125 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:40,238 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:40,358 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:40,472 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:40,589 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:40,707 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:40,822 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:40,937 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:41,054 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:41,173 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:41,307 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:41,419 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:41,539 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:41,661 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:41,775 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:41,889 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:42,009 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:42,125 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:42,244 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:42,362 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:42,481 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:42,598 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:42,715 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:42,833 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:42,948 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:43,103 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:43,222 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:43,340 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:43,473 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:43,591 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:43,708 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:43,824 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:43,939 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:44,056 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:44,174 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:44,292 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:44,416 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:44,533 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:44,647 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:44,760 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:44,873 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:44,988 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:45,101 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:45,222 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:45,336 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:45,454 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:45,586 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:45,700 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:45,814 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:45,932 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:46,049 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:46,166 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:46,284 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:46,397 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:46,512 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:46,630 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:46,747 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:46,862 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:46,975 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:47,092 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:47,210 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:47,325 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:47,444 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:47,558 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:47,676 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:47,806 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:47,924 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:48,043 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:48,162 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:48,279 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:48,398 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:48,514 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:48,629 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:48,743 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:48,860 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:48,979 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:49,096 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:49,210 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:49,324 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:49,446 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:49,564 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:49,682 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:49,799 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:49,929 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:50,044 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:50,158 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:50,276 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:50,396 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:50,514 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:50,634 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:50,748 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:50,862 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:50,983 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:51,098 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:51,215 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:51,332 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:51,447 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2021-02-23 23:21:51,564 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:51,682 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:51,799 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:51,926 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:52,059 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:21:52,177 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-02-23 23:22:02,054 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 211 [2021-02-23 23:22:02,228 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 211 [2021-02-23 23:22:02,399 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 211 [2021-02-23 23:22:02,586 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 211 [2021-02-23 23:22:04,546 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:04,657 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2021-02-23 23:22:04,764 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2021-02-23 23:22:04,873 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:04,994 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:05,285 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2021-02-23 23:22:05,484 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:05,773 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2021-02-23 23:22:05,881 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2021-02-23 23:22:05,990 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2021-02-23 23:22:06,096 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:06,205 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:06,309 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:06,415 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:06,612 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:06,721 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:06,826 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:06,932 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:07,042 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:07,166 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:07,372 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2021-02-23 23:22:07,479 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:07,687 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:07,795 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2021-02-23 23:22:07,908 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:08,019 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:08,126 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2021-02-23 23:22:08,327 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2021-02-23 23:22:08,437 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:08,544 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:08,748 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:08,854 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:08,961 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2021-02-23 23:22:09,068 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2021-02-23 23:22:39,046 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 211 [2021-02-23 23:22:54,583 WARN L202 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:22:55,568 WARN L202 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:22:57,207 WARN L202 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:22:58,173 WARN L202 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:22:59,766 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:23:01,346 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:23:02,936 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:23:03,913 WARN L202 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:23:04,910 WARN L202 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:23:05,890 WARN L202 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:23:07,490 WARN L202 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:23:09,176 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:23:10,127 WARN L202 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 61 [2021-02-23 23:23:11,715 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 181 DAG size of output: 79 [2021-02-23 23:23:12,509 WARN L202 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 57 [2021-02-23 23:23:13,539 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 187 DAG size of output: 71 [2021-02-23 23:23:15,163 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 269 DAG size of output: 77 [2021-02-23 23:23:15,899 WARN L202 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 56 [2021-02-23 23:23:16,915 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 179 DAG size of output: 69 [2021-02-23 23:23:17,908 WARN L202 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 70 [2021-02-23 23:23:19,523 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:23:20,712 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 181 DAG size of output: 74 [2021-02-23 23:23:21,618 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 68 [2021-02-23 23:23:23,256 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:23:23,957 WARN L202 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 60 [2021-02-23 23:23:24,757 WARN L202 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 56 [2021-02-23 23:23:25,537 WARN L202 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 64 [2021-02-23 23:23:26,122 WARN L202 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 56 [2021-02-23 23:23:26,921 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 58 [2021-02-23 23:23:27,803 WARN L202 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:23:28,673 WARN L202 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:23:30,286 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:23:31,807 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 229 DAG size of output: 73 [2021-02-23 23:23:32,652 WARN L202 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 58 [2021-02-23 23:23:33,580 WARN L202 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 63 [2021-02-23 23:23:34,361 WARN L202 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 56 [2021-02-23 23:23:35,389 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 185 DAG size of output: 66 [2021-02-23 23:23:37,017 WARN L202 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:23:38,022 WARN L202 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 62 [2021-02-23 23:23:38,816 WARN L202 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 54 [2021-02-23 23:23:40,026 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 225 DAG size of output: 61 [2021-02-23 23:23:40,748 WARN L202 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 56 [2021-02-23 23:23:41,678 WARN L202 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 76 [2021-02-23 23:23:43,301 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:23:44,662 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 205 DAG size of output: 78 [2021-02-23 23:23:45,390 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 56 [2021-02-23 23:23:46,688 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2021-02-23 23:23:47,399 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 59 [2021-02-23 23:23:48,275 WARN L202 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 71 [2021-02-23 23:23:49,679 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 246 DAG size of output: 73 [2021-02-23 23:23:50,478 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 58 [2021-02-23 23:23:51,799 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 228 DAG size of output: 63 [2021-02-23 23:23:52,716 WARN L202 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 61 [2021-02-23 23:23:54,339 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:23:55,248 WARN L202 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 57 [2021-02-23 23:23:56,031 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-02-23 23:23:57,070 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 224 DAG size of output: 62 [2021-02-23 23:23:58,692 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:24:00,328 WARN L202 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:24:01,116 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 53 [2021-02-23 23:24:02,820 WARN L202 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:24:04,448 WARN L202 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:24:05,350 WARN L202 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2021-02-23 23:24:06,146 WARN L202 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 56 [2021-02-23 23:24:07,028 WARN L202 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:24:07,959 WARN L202 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:24:09,474 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:24:10,351 WARN L202 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:24:11,857 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:24:13,361 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:24:14,869 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:24:15,744 WARN L202 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:24:16,913 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 198 DAG size of output: 79 [2021-02-23 23:24:18,428 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 181 DAG size of output: 79 [2021-02-23 23:24:19,502 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 178 DAG size of output: 73 [2021-02-23 23:24:20,680 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 236 DAG size of output: 63 [2021-02-23 23:24:22,305 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:24:23,930 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:24:24,709 WARN L202 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 54 [2021-02-23 23:24:25,696 WARN L202 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 60 [2021-02-23 23:24:27,357 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 257 DAG size of output: 79 [2021-02-23 23:24:28,567 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 178 DAG size of output: 71 [2021-02-23 23:24:29,632 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 178 DAG size of output: 68 [2021-02-23 23:24:30,723 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 185 DAG size of output: 68 [2021-02-23 23:24:31,927 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 221 DAG size of output: 63 [2021-02-23 23:24:32,655 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 63 [2021-02-23 23:24:34,288 WARN L202 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:24:35,381 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 185 DAG size of output: 66 [2021-02-23 23:24:36,220 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 63 [2021-02-23 23:24:38,015 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:24:39,791 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:24:40,796 WARN L202 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 61 [2021-02-23 23:24:41,820 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 173 DAG size of output: 62 [2021-02-23 23:24:43,476 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:24:45,255 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:24:46,982 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 250 DAG size of output: 73 [2021-02-23 23:24:47,927 WARN L202 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:24:48,857 WARN L202 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:24:50,501 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:24:51,461 WARN L202 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:24:53,098 WARN L202 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:24:54,751 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:24:56,533 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 269 DAG size of output: 85 [2021-02-23 23:24:57,651 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 178 DAG size of output: 72 [2021-02-23 23:24:59,336 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:25:00,339 WARN L202 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 55 [2021-02-23 23:25:02,063 WARN L202 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:25:02,910 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 54 [2021-02-23 23:25:03,900 WARN L202 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 70 [2021-02-23 23:25:05,256 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2021-02-23 23:25:06,222 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 60 [2021-02-23 23:25:07,919 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:25:08,757 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 57 [2021-02-23 23:25:09,806 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 232 DAG size of output: 64 [2021-02-23 23:25:11,590 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:25:12,888 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 228 DAG size of output: 65 [2021-02-23 23:25:14,049 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 190 DAG size of output: 71 [2021-02-23 23:25:15,856 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 250 DAG size of output: 79 [2021-02-23 23:25:17,409 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:25:18,365 WARN L202 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:25:19,328 WARN L202 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:25:20,302 WARN L202 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 61 [2021-02-23 23:25:21,345 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 176 DAG size of output: 59 [2021-02-23 23:25:23,138 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:25:24,004 WARN L202 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 62 [2021-02-23 23:25:24,961 WARN L202 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 61 [2021-02-23 23:25:25,652 WARN L202 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 56 [2021-02-23 23:25:27,001 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 254 DAG size of output: 72 [2021-02-23 23:25:28,703 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 217 DAG size of output: 84 [2021-02-23 23:25:29,886 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 239 DAG size of output: 62 [2021-02-23 23:25:31,045 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 231 DAG size of output: 67 [2021-02-23 23:25:32,010 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 60 [2021-02-23 23:25:33,088 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 174 DAG size of output: 64 [2021-02-23 23:25:33,872 WARN L202 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 54 [2021-02-23 23:25:35,656 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 257 DAG size of output: 79 [2021-02-23 23:25:37,399 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:25:38,894 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 246 DAG size of output: 73 [2021-02-23 23:25:39,661 WARN L202 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2021-02-23 23:25:40,498 WARN L202 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 61 [2021-02-23 23:25:41,867 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 246 DAG size of output: 67 [2021-02-23 23:25:42,804 WARN L202 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 61 [2021-02-23 23:25:43,969 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 184 DAG size of output: 77 [2021-02-23 23:25:45,699 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:25:46,855 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 231 DAG size of output: 67 [2021-02-23 23:25:48,585 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:25:49,536 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 60 [2021-02-23 23:25:50,524 WARN L202 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:25:51,520 WARN L202 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:25:53,119 WARN L202 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:25:54,057 WARN L202 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:25:55,652 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:25:57,014 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 225 DAG size of output: 65 [2021-02-23 23:25:58,762 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:26:00,521 WARN L202 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:26:01,454 WARN L202 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 61 [2021-02-23 23:26:02,405 WARN L202 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 60 [2021-02-23 23:26:03,733 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 172 DAG size of output: 67 [2021-02-23 23:26:04,758 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 232 DAG size of output: 64 [2021-02-23 23:26:06,512 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:26:07,248 WARN L202 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 58 [2021-02-23 23:26:08,184 WARN L202 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:26:09,807 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:26:11,419 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:26:13,014 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:26:13,938 WARN L202 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:26:15,559 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:26:16,496 WARN L202 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:26:17,441 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:26:18,380 WARN L202 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:26:20,013 WARN L202 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:26:20,953 WARN L202 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:26:22,728 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 250 DAG size of output: 79 [2021-02-23 23:26:24,366 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 234 DAG size of output: 64 [2021-02-23 23:26:25,518 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 196 DAG size of output: 74 [2021-02-23 23:26:26,216 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 56 [2021-02-23 23:26:27,087 WARN L202 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 63 [2021-02-23 23:26:27,984 WARN L202 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 65 [2021-02-23 23:26:29,657 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:26:30,962 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 178 DAG size of output: 80 [2021-02-23 23:26:31,849 WARN L202 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:26:32,670 WARN L202 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 58 [2021-02-23 23:26:34,325 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:26:35,034 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 58 [2021-02-23 23:26:35,972 WARN L202 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:26:37,515 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:26:39,040 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:26:39,640 WARN L202 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 56 [2021-02-23 23:26:40,320 WARN L202 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 44 [2021-02-23 23:26:41,107 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 61 [2021-02-23 23:26:42,307 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 236 DAG size of output: 63 [2021-02-23 23:26:43,012 WARN L202 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 55 [2021-02-23 23:26:44,122 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 239 DAG size of output: 62 [2021-02-23 23:26:44,892 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 59 [2021-02-23 23:26:46,139 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 196 DAG size of output: 71 [2021-02-23 23:26:47,817 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:26:48,590 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 60 [2021-02-23 23:26:50,246 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:26:50,960 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 58 [2021-02-23 23:26:52,147 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 195 DAG size of output: 82 [2021-02-23 23:26:53,809 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:26:54,780 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 63 [2021-02-23 23:26:56,041 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 233 DAG size of output: 64 [2021-02-23 23:26:56,987 WARN L202 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 64 [2021-02-23 23:26:57,885 WARN L202 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 60 [2021-02-23 23:26:58,685 WARN L202 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2021-02-23 23:27:00,346 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:27:01,460 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2021-02-23 23:27:02,696 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 225 DAG size of output: 61 [2021-02-23 23:27:03,911 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 186 DAG size of output: 76 [2021-02-23 23:27:04,716 WARN L202 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 61 [2021-02-23 23:27:05,794 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 221 DAG size of output: 60 [2021-02-23 23:27:06,625 WARN L202 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 58 [2021-02-23 23:27:07,229 WARN L202 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 56 [2021-02-23 23:27:08,895 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:27:09,721 WARN L202 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 70 [2021-02-23 23:27:10,653 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 72 [2021-02-23 23:27:11,262 WARN L202 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 56 [2021-02-23 23:27:12,171 WARN L202 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 60 [2021-02-23 23:27:13,212 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 191 DAG size of output: 61 [2021-02-23 23:27:13,985 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 59 [2021-02-23 23:27:14,599 WARN L202 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 56 [2021-02-23 23:27:15,857 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 196 DAG size of output: 72 [2021-02-23 23:27:17,061 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 185 DAG size of output: 81 [2021-02-23 23:27:18,722 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:27:19,520 WARN L202 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 57 [2021-02-23 23:27:20,241 WARN L202 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 61 [2021-02-23 23:27:21,221 WARN L202 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 62 [2021-02-23 23:27:23,218 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 261 DAG size of output: 79 [2021-02-23 23:27:24,666 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 228 DAG size of output: 63 [2021-02-23 23:27:25,770 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 231 DAG size of output: 67 [2021-02-23 23:27:26,907 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 183 DAG size of output: 73 [2021-02-23 23:27:27,652 WARN L202 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 56 [2021-02-23 23:27:28,546 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:27:30,092 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:27:31,637 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:27:33,183 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:27:34,155 WARN L202 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:27:35,055 WARN L202 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:27:36,005 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:27:37,547 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:27:38,624 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 177 DAG size of output: 69 [2021-02-23 23:27:39,927 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 191 DAG size of output: 70 [2021-02-23 23:27:40,822 WARN L202 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 57 [2021-02-23 23:27:41,605 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 59 [2021-02-23 23:27:42,544 WARN L202 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 64 [2021-02-23 23:27:44,212 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:27:45,333 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 239 DAG size of output: 62 [2021-02-23 23:27:47,011 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:27:48,282 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 184 DAG size of output: 73 [2021-02-23 23:27:49,160 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 60 [2021-02-23 23:27:49,872 WARN L202 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 57 [2021-02-23 23:27:50,897 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 178 DAG size of output: 80 [2021-02-23 23:27:51,754 WARN L202 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 64 [2021-02-23 23:27:52,656 WARN L202 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:27:53,484 WARN L202 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 56 [2021-02-23 23:27:55,157 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:27:56,835 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:27:57,740 WARN L202 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 64 [2021-02-23 23:27:58,959 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 181 DAG size of output: 73 [2021-02-23 23:27:59,850 WARN L202 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 57 [2021-02-23 23:28:01,546 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:28:02,963 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 219 DAG size of output: 63 [2021-02-23 23:28:03,743 WARN L202 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 56 [2021-02-23 23:28:04,995 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 178 DAG size of output: 71 [2021-02-23 23:28:05,866 WARN L202 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 61 [2021-02-23 23:28:06,747 WARN L202 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 55 [2021-02-23 23:28:07,914 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 244 DAG size of output: 68 [2021-02-23 23:28:08,693 WARN L202 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 62 [2021-02-23 23:28:10,382 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:28:11,251 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 60 [2021-02-23 23:28:12,080 WARN L202 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 63 [2021-02-23 23:28:13,483 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 208 DAG size of output: 74 [2021-02-23 23:28:15,039 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:28:16,737 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:28:18,010 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 228 DAG size of output: 65 [2021-02-23 23:28:18,913 WARN L202 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 57 [2021-02-23 23:28:20,082 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 181 DAG size of output: 68 [2021-02-23 23:28:21,193 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 180 DAG size of output: 71 [2021-02-23 23:28:22,537 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 241 DAG size of output: 75 [2021-02-23 23:28:23,267 WARN L202 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 60 [2021-02-23 23:28:24,103 WARN L202 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 59 [2021-02-23 23:28:24,857 WARN L202 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 62 [2021-02-23 23:28:26,345 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 212 DAG size of output: 85 [2021-02-23 23:28:27,234 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 60 [2021-02-23 23:28:28,289 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 228 DAG size of output: 60 [2021-02-23 23:28:29,583 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 184 DAG size of output: 76 [2021-02-23 23:28:31,288 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:28:32,315 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 177 DAG size of output: 65 [2021-02-23 23:28:33,196 WARN L202 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 59 [2021-02-23 23:28:34,156 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 64 [2021-02-23 23:28:35,160 WARN L202 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 70 [2021-02-23 23:28:36,077 WARN L202 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 64 [2021-02-23 23:28:37,039 WARN L202 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 61 [2021-02-23 23:28:38,068 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 175 DAG size of output: 65 [2021-02-23 23:28:39,063 WARN L202 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 68 [2021-02-23 23:28:39,801 WARN L202 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 56 [2021-02-23 23:28:41,082 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 228 DAG size of output: 65 [2021-02-23 23:28:42,017 WARN L202 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 55 [2021-02-23 23:28:42,749 WARN L202 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 54 [2021-02-23 23:28:43,661 WARN L202 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 61 [2021-02-23 23:28:44,638 WARN L202 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 67 [2021-02-23 23:28:45,487 WARN L202 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 57 [2021-02-23 23:28:46,275 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 66 [2021-02-23 23:28:47,968 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:28:49,262 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 228 DAG size of output: 65 [2021-02-23 23:28:50,963 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:28:51,793 WARN L202 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 62 [2021-02-23 23:28:52,706 WARN L202 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 62 [2021-02-23 23:28:53,697 WARN L202 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 68 [2021-02-23 23:28:53,852 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2021-02-23 23:28:54,804 WARN L202 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 73 [2021-02-23 23:28:56,513 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:28:57,720 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 197 DAG size of output: 75 [2021-02-23 23:28:59,090 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 186 DAG size of output: 79 [2021-02-23 23:28:59,941 WARN L202 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 64 [2021-02-23 23:29:00,983 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 173 DAG size of output: 66 [2021-02-23 23:29:01,730 WARN L202 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 58 [2021-02-23 23:29:02,980 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 242 DAG size of output: 67 [2021-02-23 23:29:03,830 WARN L202 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 58 [2021-02-23 23:29:04,653 WARN L202 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 57 [2021-02-23 23:29:06,354 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:29:08,066 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:29:09,101 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 176 DAG size of output: 65 [2021-02-23 23:29:10,174 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 186 DAG size of output: 63 [2021-02-23 23:29:11,092 WARN L202 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:29:12,064 WARN L202 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:29:12,741 WARN L202 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 44 [2021-02-23 23:29:14,332 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:29:16,036 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:29:17,008 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 61 [2021-02-23 23:29:18,364 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 194 DAG size of output: 70 [2021-02-23 23:29:19,955 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:29:20,630 WARN L202 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 44 [2021-02-23 23:29:21,546 WARN L202 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:29:22,463 WARN L202 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:29:24,043 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:29:25,015 WARN L202 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:29:26,601 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:29:27,574 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:29:29,154 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:29:30,089 WARN L202 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 60 [2021-02-23 23:29:31,799 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:29:32,595 WARN L202 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 60 [2021-02-23 23:29:34,308 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:29:35,290 WARN L202 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:29:36,873 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:29:38,583 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 308 DAG size of output: 65 [2021-02-23 23:29:39,937 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 191 DAG size of output: 70 [2021-02-23 23:29:41,516 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 303 DAG size of output: 62 [2021-02-23 23:29:42,435 WARN L202 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 58 [2021-02-23 23:29:43,414 WARN L202 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:29:44,394 WARN L202 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 65 [2021-02-23 23:29:45,971 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 303 DAG size of output: 62